EP1089621A1 - Articles de serviettes traitees - Google Patents

Articles de serviettes traitees

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Publication number
EP1089621A1
EP1089621A1 EP99922412A EP99922412A EP1089621A1 EP 1089621 A1 EP1089621 A1 EP 1089621A1 EP 99922412 A EP99922412 A EP 99922412A EP 99922412 A EP99922412 A EP 99922412A EP 1089621 A1 EP1089621 A1 EP 1089621A1
Authority
EP
European Patent Office
Prior art keywords
water
substrate
insoluble
liquid composition
aqueous liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP99922412A
Other languages
German (de)
English (en)
Inventor
David John Pung
Mark Richard Sine
Erik John Hasenoehrl
Charles Kevin Schell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP1089621A1 publication Critical patent/EP1089621A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations

Definitions

  • the present invention relates to treated wipes comprising one or more layers of a water- insoluble substrate and an aqueous liquid composition comprising a water-insoluble functional ingredient wherein the water-insoluble functional ingredient is uniformly distributed on and/or into the substrate without the need for emulsifying agents.
  • Treated wipes or paper-cloths for skin cleansing and refreshing are well known commercially and readily available to consumers.
  • Such products typically comprise paper or non-woven fabric sheets which are wetted with a aqueous solution of water soluble or water dispersible ingredients.
  • the difficulty presented by these ingredients is that they are typically hydrophobic and water insoluble.
  • hydrophobic or water- insoluble cosmetic ingredients in the form of an oil-in-water emulsion. See U.S. Patent 4,559,157, granted Dec. 17, 1985 to Smith et al, "Cosmetic Applicator Useful for Skin Moisturizing".
  • drawbacks There are a number of drawbacks, however, associated with the emulsion approach. One is that these emulsions generally tend to be unstable.
  • Another relates to the chemicals used to emulsify the hydrophobic component.
  • chemical emulsifiers tend to keep hydrophobic materials from uniformly adhering to human skin.
  • chemical emulsifiers tend to produce a sticky or tacky feeling on the skin.
  • the present inventors have developed a process for uniformly distributing hydrophobic or water-insoluble ingredients in or onto the surfaces of wipe articles wetted with an aqueous liquid without the need for emulsifying chemicals or agents.
  • the present invention relates to treated wipe articles comprising: a), one or more layers of a water-insoluble substrate; and b). an aqueous liquid composition comprising: i). an effective amount of a non-encapsulated, water insoluble functional ingredient; and ii). an aqueous component wherein the aqueous liquid composition is coated onto and saturates the substrate such that the water-insoluble functional ingredient is uniformly distributed onto and/or into the substrate and wherein the substrate remains saturated with the aqueous liquid composition and further wherein the aqueous liquid composition is substantially free of surfactants or surfactant mixtures having an HLB value of from about 4 to about 18.
  • the present invention also relates to methods of manufacturing and using the disclosed wipes.
  • the present invention can comprise, consist of, or consist essentially of the essential elements and limitations of the invention described herein, as well any of the additional or optional ingredients, components, or limitations described herein.
  • treated wipes articles refers to products in which one or more sheets of a water-insoluble substrate have been impregnated with an aqueous liquid composition for the purpose of rubbing the wipe product over a surface (e.g. skin) to treat the surface as needed (e.g., cleanse, condition and/or refresh).
  • the treated wipes articles of the present invention comprise a water-insoluble substrate and an aqueous liquid composition comprising water- insoluble functional ingredients, wherein the aqueous liquid composition is coated onto or impregnated into the substrate such that the substrate is saturated with the aqueous liquid composition and such that water-insoluble functional ingredient is uniformly distributed onto and/or in the substrate and wherein the aqueous liquid composition is substantially free of conventional emulsifying surfactants.
  • the products of the present invention comprise a water insoluble substrate.
  • water insoluble is meant that the substrate does not dissolve in or readily break apart upon immersion in water.
  • the water insoluble substrate is the implement or vehicle for delivering the water- insoluble functional ingredient of the present invention to surfaces in need of treatment (e.g, skin).
  • a wide variety of materials can be used as the substrate. The following nonlimiting characteristics are desirable: (i) sufficient wet strength for use, (ii) sufficient abrasivity, (iii) sufficient loft and porosity, (iv) sufficient thickness, and (v) appropriate size.
  • Nonlimiting examples of suitable insoluble substrates which meet the above criteria include nonwoven substrates, woven substrates, hydroentangled substrates, air entangled substrates, natural sponges, synthetic sponges, polymeric netted meshes, and the like.
  • Preferred embodiments employ nonwoven substrates since they are economical and readily available in a variety of materials.
  • nonwoven is meant that the layer is comprised of fibers which are not woven into a fabric but rather are formed into a sheet, mat, or pad layer.
  • the fibers can either be random (i.e., randomly aligned) or they can be carded (i.e. combed to be oriented in primarily one direction).
  • the nonwoven substrate can be composed of a combination of layers of random and carded fibers.
  • Nonwoven substrates may be comprised of a variety of materials both natural and synthetic.
  • natural is meant that the materials are derived from plants, animals, insects or byproducts of plants, animals, and insects.
  • synthetic is meant that the materials are obtained primarily from various man-made materials or from natural materials which have been further altered.
  • the conventional base starting material is usually a fibrous web comprising any of the common synthetic or natural textile- length fibers, or mixtures thereof.
  • Nonlimiting examples of natural materials useful in the present invention are silk fibers, keratin fibers and cellulosic fibers.
  • Nonlimiting examples of keratin fibers include those selected from the group consisting of wool fibers, camel hair fibers, and the like.
  • Nonlimiting examples of cellulosic fibers include those selected from the group consisting of wood pulp fibers, cotton fibers, hemp fibers, jute fibers, flax fibers, and mixtures thereof.
  • Nonlimiting examples of synthetic materials useful in the present invention include those selected from the group consisting of acetate fibers, acrylic fibers, cellulose ester fibers, modacrylic fibers, polyamide fibers, polyester fibers, polyolefin fibers, polyvinyl alcohol fibers, rayon fibers, polyurethane foam, and mixtures thereof.
  • acrylics such as acrilan, creslan, and the acrylonitrile-based fiber, orlon
  • cellulose ester fibers such as cellulose acetate, arnel, and accelerator
  • polyamides such as nylons (e.g., nylon 6, nylon 66, nylon 610, and the like); polyesters such as fortrel, kodel, and the polyethylene terephthalate fiber, dacron
  • polyolefins such as polypropylene, polyethylene
  • polyvinyl acetate fibers polyurethane foams and mixtures thereof.
  • Nonwoven substrates made from natural materials consist of webs or sheets most commonly formed on a fine wire screen from a liquid suspension of the fibers. See C.A. Hampel et al., The Encyclopedia of Chemistry, third edition, 1973, pp. 793-795 (1973); The Encyclopedia Americana, vol. 21 , pp. 376-383 (1984); and G.A. Smook, Handbook of Pulp and Paper Technologies. Technical Association for the Pulp and Paper Industry (1986); which are incorporated by reference herein in their entirety.
  • Substrates made from natural materials useful in the present invention can be obtained from a wide variety of commercial sources.
  • suitable commercially available paper layers useful herein include Airtex* ⁇ an embossed airlaid cellulosic layer having a base weight of about 71 gsy, available from James River, Green Bay, WI; and Walkisoft ⁇ -, an embossed airlaid cellulosic having a base weight of about 75 gsy, available from Walkisoft U.S.A, Mount Holly, NC.
  • nonwoven substrates are well known in the art.
  • these nonwoven substrates can be made by air-laying, water-laying, meltblowing, coforming, spunbonding, or carding processes in which the fibers or filaments are first cut to desired lengths from long strands, passed into a water or air stream, and then deposited onto a screen through which the fiber-laden air or water is passed.
  • the resulting layer regardless of its method of production or composition, is then subjected to at least one of several types of bonding operations to anchor the individual fibers together to form a self-sustaining web.
  • the nonwoven layer can be prepared by a variety of processes including hydroentanglement, thermally bonding or thermo-bonding, and combinations of these processes.
  • the substrates of the present invention can consist of a single layer or multiple layers.
  • a multilayered substrate can include films and other nonfibrous materials.
  • Processes for preparing hydroentangled webs are well known in the art. See, for example, Evans; U.S. Patent 3,485,786; issued December 23, 1969; Kalwarres; U.S. Patent 2,862,251 and Griswold; U.S. Patent 3,025,585, all of which describe hydroentangling procedures generally and all of which are herein incorporated by reference. See also U.S. Patent 5,674,591 ; James et al; issued October 7, 1997 which specifically describes a hydroentangling process, including the apparatus used in said process, which can be used to prepare the patterned web. U.S. Patent 5,674,591 is incorporated herein in its entirety.
  • Nonwoven substrates made from synthetic materials useful in the present invention can also be obtained from a wide variety of commercial sources.
  • suitable nonwoven layer materials useful herein include PGI Miratec Herringbone, a patterned hydroentangled material containing about 30% rayon and 70% polyester, and having a basis weight of about 56 grams per square yard (gsy), available from PGI/Chicopee, Dayton N.J.; PGI Miratec Starburst, a patterned hydroentangled material containing about 30% rayon and 70% polyester, and having a basis weight of about 56 grams per square yard (gsy), available from PGI Miratec Herringbone, a patterned hydroentangled material containing about 30% rayon and 70% polyester, and having a basis weight of about 56 grams per square yard (gsy), available from PGI Miratec Herringbone, a patterned hydroentangled material containing about 30% rayon and 70% polyester, and having a basis weight of about 56 grams per square yard (gsy), available from PGI Miratec Herringbone, a patterned hydroentangled material
  • thermo-bonded grid patterned material containing about 100% polypropylene, and having a basis weight of about 50 gsy, available from Veratec, Inc., Walpole, MA; Novonet ⁇ - 149-801 , a thermo-bonded grid patterned material containing about 69% rayon, about 25% polypropylene, and about 6% cotton, and having a basis weight of about 75 gsy, available from Veratec, Inc.
  • thermo-bonded grid patterned material containing about 69% rayon, about 25% polypropylene, and about 6% cotton, and having a basis weight of about 100 gsy, available from Veratec, Inc.
  • Walpole, MA HEF Nubtex ⁇ 149-801, a nubbed, apertured hydroentangled material, containing about 100% polyester, and having a basis weight of about 70 gsy, available from Veratec, Inc.
  • PGI/Chicopee Dayton, NJ; Keybak ⁇ 1368, an apertured material, containing about 75% rayon, about 25% polyester, and having a basis weight of about 39 gsy, available from PGI/Chicopee,
  • the water insoluble substrate can be a polymeric mesh sponge as described in U.S. Patent 5,650,384, incorporated by reference herein in its entirety.
  • the polymeric sponge comprises a plurality of plies of an extruded tubular netting mesh prepared from a strong flexible polymer, such as addition polymers of olefin monomers and polyamides of polycarboxylic acids.
  • these polymeric sponges are designed to be used in conjunction with a liquid cleanser, these types of sponges can be used as the water insoluble substrate in the present invention.
  • the substrate can be made into a wide variety of shapes and forms including flat pads, thick pads, thin sheets, ball-shaped implements, irregularly shaped implements, and having sizes ranging from a surface area of about a square inch to about hundreds of square inches. The exact size will depend upon the desired use and product characteristics. Especially convenient are square, circular, rectangular, or oval pads having a surface area of from about 1 in ⁇ to about
  • 144 in preferably from about 10 in ⁇ to about 120 in and more preferably from about 30 in ⁇ to about 80 in ⁇ , and a thickness of from about 1 mil to about 500 mil, preferably from about 5 mil to about 250 mil, and more preferably from about 10 mil to about 100 mil.
  • the wipe articles of the present invention are coated and saturated with an aqueous liquid composition such that the substrate remains saturated with the aqueous liquid composition.
  • coated means to add to and/or impregnate the substrate with the aqueous liquid composition.
  • saturated means the substrate comprises an aqueous liquid composition such that the aqueous liquid composition preferably comprises from about 100% to about 400%, preferably from about 200% to about 300% by weight of the absorbent substrate sheet.
  • the aqueous liquid composition comprises an effective amount of a water-insoluble, non- encapsulated functional ingredient.
  • the water-insoluble functional ingredient may be solid or liquid, preferably liquid.
  • the aqueous liquid composition used in the present invention preferably comprises from about 0.1% to about 50%, more preferably from about 0.2% to about 40%, and most preferably from about 0.5% to about 30% by weight of a water-insoluble functional ingredient.
  • water-insoluble as used herein means a material that is hydrophobic and not soluble in distilled (or equivalent) water, at 25°C, at a concentration of 0.2% by weight, and preferably not soluble at 0.1% by weight.
  • nonencapsulated as used herein means the water-insoluble functional ingredient is not separated from the immediate environment by a coating or encapsulating material.
  • functional ingredient can be defined as any ingredient which when released from the wipe performs some function relative to the surface to which it is applied.
  • the active ingredient may be a drug or beauty aid and might comprise anti-infectives such as antibiotics, antimicrobials, fungicides, antiperspirants, deodorants, antipyretics, anesthetics, sunscreens, emollients, conditioning oils, humectants and insect repellants.
  • anti-infectives such as antibiotics, antimicrobials, fungicides, antiperspirants, deodorants, antipyretics, anesthetics, sunscreens, emollients, conditioning oils, humectants and insect repellants.
  • the functional ingredient might be a wax or polish, a fragrance, a disinfectant or an insecticide. Mixtures of the above water-insoluble functional ingredients may also be used.
  • Water-insoluble functional ingredients preferred for use herein are water insoluble antimicrobials.
  • a detailed description of useful antimicrobials is found U.S. Patents 5,686,089; 3,835,057; and 4,714,563; all of which are herein incorporated by reference in their entirety.
  • the water-insoluble functional ingredient is preferably present at a concentration of from about 0.001% to about 5%, more preferably 0.05% to about 1%, even more preferably from about 0.05% to about 0.5%, and most preferably 0.1% to about 0.25%.
  • Also useful as antimicrobials are the so-called "natural" antibacterial actives, referred to as natural essential oils. These actives derive their names from their natural occurrence in plants.
  • Typical natural essential oil antibacterial actives include oils of anise, lemon, orange, rosemary, wintergreen, thyme, lavender, cloves, hops, tea tree, citronella, wheat, barley, lemongrass, cedar leaf, cedarwood, cinnamon, fleagrass, geranium, sandalwood, violet, cranberry, eucalyptus, vervain, peppermint, gum benzoin, basil, fennel, fir, balsam, menthol, ocmea origanum, Hydastis carradensis, Berberidaceae daceae, Ratanhiae and Curcuma longa.
  • Also included in this class of natural essential oils are the key chemical components of the plant oils which have been found to provide the antimicrobial benefit. These chemicals include, but are not limited to anethol, catechole, camphene, carvacol, eugenol, eucalyptol, ferulic acid, farnesol, hinokitiol, tropolone, limonene, menthol, methyl salicylate, thymol, terpineol, verbenone, berberine, ratanhiae extract, caryophellene oxide, citronellic acid, curcumin, nerolidol and geraniol.
  • anethol catechole, camphene, carvacol, eugenol, eucalyptol, ferulic acid, farnesol, hinokitiol, tropolone, limonene, menthol, methyl salicylate, thymol, terpineol, verb
  • Additional active agents are antibacterial metal salts.
  • This class generally includes salts of metals in groups 3b-7b, 8 and 3a-5a. Specifically are the salts of aluminum, zirconium, zinc, silver, gold, copper, lanthanum, tin, mercury, bismuth, selenium, strontium, scandium, yttrium, cerium, praseodymiun, neodymium, promethum, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and mixtures thereof.
  • Preferred water-insoluble antimicrobials include piroctoneolamine (hereinafter Octopirox®) available from Hoechst AG; 2,4, 4'— trichloro-2'-hydroxy diphenylether (hereinafter “TCS” or Triclosan®”) available from Ciba-Geigy Corp.; 3,4,4'-trichlorocarbanilide (hereinafter “TCC” or “Triclocarban®”) available from Bayer AG; para -chloro-meta-xylenol (hereinafter PCMX) available from Rhone Poulenc; zinc pyrithione (hereinafter "ZPT”) available from the Olin Corp.; essential oils and their key ingredients and mixtures thereof.
  • PCMX para -chloro-meta-xylenol
  • ZPT zinc pyrithione
  • conditioning agents are also preferred for use as the water-insoluble functional ingredient.
  • Useful water-insoluble conditioning agents are described in detail is previously incorporated U.S. Patents 5,665,364 and 5,716, 920.
  • Preferred water-insoluble conditioning agents include fatty acids, polyol polyesters, glycerin mono-esters, glycerin di-esters, glycerin tri-esters, emollient esters (e.g., stearic acid derivatives such as methyl isostearate), epidermal and sebaceous hydrocarbons, polyethylene wax, lanolin, mineral oil, silicone oil, silicone gum, vegetable oil, vegetable oil adduct, petrolatum, nonionic polymers, and mixtures thereof.
  • emollient esters e.g., stearic acid derivatives such as methyl isostearate
  • epidermal and sebaceous hydrocarbons polyethylene wax, lanolin, mineral oil, silicone oil, silicone gum, vegetable oil, vegetable oil ad
  • the water-insoluble functional ingredient is a conditioning agent
  • the water-insoluble functional ingredient is preferably present at a concentration of from about 0.1% to about 30%, more preferably 0.2% to about 10% and most preferably from about 0.5% to about 5%.
  • the aqueous liquid composition of the present invention also comprises from about 3% to about 99%, preferably from about 5% to about 97%, more preferably from about 10% to about 95%, by weight of an aqueous component.
  • aqueous component refers to the water portion of the aqueous liquid composition and means water, water- phase, aqueous phase and the like. It should also be understood that the term “aqueous component” should not be taken to mean that water is present to the exclusion of all other ingredients in the water phase (e.g., ethanol).
  • the present invention is preferably substantially free of surfactants or surfactant mixtures having hydrophilic-lipophilic balance (HLB) values of from about 4 to about 18, preferably from about 2 to about 18, more preferably from about 2 to about 20, and most preferably from about 1 to about 20.
  • HLB hydrophilic-lipophilic balance
  • the phrase "substantially free” means the level of such surfactants or surfactant mixtures does not exceed about 0.5%, preferably 0.3%, more preferably 0.1%, even more preferably 0.05% and is most preferably 0%.
  • such surfactants tend to produce a sticky or tacky like feel to surfaces (e.g., skin surfaces).
  • HLB values for various surfactants can be found in The HLB System, ICI Americas Incorporated, May 1992, herein incorporated by reference in its entirety.
  • the processes of the present invention as described herein permit the uniform distribution of the water-insoluble functional ingredient without the need for emulsifying surfactant.
  • the aqueous liquid composition optionally comprises a surfactants or surfactant mixtures having HLB values outside the range of from about 4 to about 18, more preferably outside the range of from about 2 to about 20, most preferably outside the range of from about 1 to about 25.
  • surfactants include anionic, cationic, nonionic, amphoteric, and zwitterionic surfactants and mixtures thereof.
  • anionic surfactants are preferably present in the aqueous liquid compositions at concentrations of from about 0.05% to about 10, preferably from about 0.1 to about 4%, and more preferably from about 0.2% to about 1%.
  • Nonlimiting examples of anionic surfactants useful in the compositions of the present invention are disclosed in McCutcheon's, Detergents and Emulsifiers, North American edition (1990), published by The Manufacturing Confectioner Publishing Co.; McCutcheon's, Functional Materials, North American Edition (1992); and U.S. Patent No. 3,929,678, to Laughlin et al., issued December 30, 1975, all of which are incorporated by reference.
  • anionic surfactants include those selected from the group consisting of alkyl and alkyl ether sulfates, sulfated monoglycerides, sulfonated olefins, alkyl aryl sulfonates, primary or secondary alkane sulfonates, alkyl sulfosuccinates, acyl taurates, acyl isethionates, alkyl glycerylether sulfonate, sulfonated methyl esters, sulfonated fatty acids, alkyl phosphates, acyl glutamates, acyl sarcosinates, alkyl sulfoacetates, acylated peptides, alkyl ether carboxylates, acyl lactylates, anionic fluorosurfactants, and mixtures thereof.
  • Mixtures of anionic surfactants can be
  • Anionic surfactants for use in the present compositions include alkyl and alkyl ether sulfates. These materials have the respective formulae RO-SO3M and R ⁇ (C2H4 ⁇ ) x -0-S ⁇ 3M, wherein R' is a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms, x is 1 to 10, and M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • the alkyl sulfates are typically made by the sulfation of monohydric alcohols (having from about 8 to about 24 carbon atoms) using sulfur trioxide or other known sulfation technique.
  • the alkyl ether sulfates are typically made as condensation products of ethylene oxide and monohydric alcohols (having from about 8 to about 24 carbon atoms) and then sulfated. These alcohols can be derived from fats, e.g., coconut oil or tallow, or can be synthetic. Specific examples of alkyl sulfates which may be used in the present compositions are sodium, ammonium, potassium, magnesium, or TEA salts of lauryl or myristyl sulfate. Examples of alkyl ether sulfates which may be used include ammonium, sodium, magnesium, or TEA laureth-3 sulfate.
  • anionic surfactants are the sulfated monoglycerides of the form
  • R 1 CO-0-CH2-C(OH)H-CH2-0-S ⁇ 3M, wherein R 1 is a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms, and M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • glycerin with fatty acids (having from about 8 to about 24 carbon atoms) to form a monoglyceride and the subsequent sulfation of this monoglyceride with sulfur trioxide.
  • An example of a sulfated monoglyceride is sodium cocomonoglyceride sulfate.
  • Other suitable anionic surfactants include olefin sulfonates of the form R J SO3M, wherein
  • R! is a mono-olefin having from about 12 to about 24 carbon atoms
  • M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • R! is a mono-olefin having from about 12 to about 24 carbon atoms
  • M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • anionic surfactants are the linear alkylbenzene sulfonates of the form R' ⁇
  • C6H4-SO3M wherein RMs a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms, and M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine. These are formed by the sulfonation of linear alkyl benzene with sulfur trioxide.
  • An example of this anionic surfactant is sodium dodecylbenzene sulfonate.
  • Still other anionic surfactants suitable for the present composition include the primary or secondary alkane sulfonates of the form RI SO3M, wherein R ⁇ is a saturated or unsaturated, branched or unbranched alkyl chain from about 8 to about 24 carbon atoms, and M is a water- soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • R ⁇ is a saturated or unsaturated, branched or unbranched alkyl chain from about 8 to about 24 carbon atoms
  • M is a water- soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • R ⁇ is a saturated or unsaturated, branched or unbranched alkyl chain from about 8 to about 24 carbon atoms
  • M is a water- soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • R ⁇ is
  • alkyl sulfosuccinates which include disodium N-octadecylsulfosuccinamate; diammonium lauryl sulfosuccinate; tetrasodium N-(l,2- dicarboxyethyl)-N-octadecylsulfosuccinate; diamyl ester of sodium sulfosuccinic acid; dihexyl ester of sodium sulfosuccinic acid; and dioctyl esters of sodium sulfosuccinic acid.
  • taurates which are based on taurine, which is also known as 2- aminoethanesulfonic acid.
  • taurates include N-alkyltaurines such as the one prepared by reacting dodecylamine with sodium isethionate according to the teaching of U.S. Patent 2,658,072 which is incorporated herein by reference in its entirety.
  • Other examples based of taurine include the acyl taurines formed by the reaction of n-methyl taurine with fatty acids (having from about 8 to about 24 carbon atoms).
  • acyl isethionates Another class of anionic surfactants suitable for use in the present composition are the acyl isethionates.
  • the acyl isethionates typically have the formula RICO-O-CH2CH2SO3M wherein R' is a saturated or unsaturated, branched or unbranched alkyl group having from about 10 to about 30 carbon atoms, and M is a cation. These are typically formed by the reaction of fatty acids (having from about 8 to about 30 carbon atoms) with an alkali metal isethionate.
  • Nonlimiting examples of these acyl isethionates include ammonium cocoyl isethionate, sodium cocoyl isethionate, sodium lauroyl isethionate, and mixtures thereof.
  • alkylglyceryl ether sulfonates of the form
  • Rl-OCH2"C(OH)H-CH2-S ⁇ 3M wherein R ⁇ is a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms, and M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • M is a water-soluble cation such as ammonium, sodium, potassium, magnesium, triethanolamine, diethanolamine and monoethanolamine.
  • anionic surfactants include the sulfonated fatty acids of the form R ⁇ -
  • R 1 is a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms.
  • R 1 is a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms.
  • R 1 is a saturated or unsaturated, branched or unbranched alkyl group from about 8 to about 24 carbon atoms.
  • These can be formed by the sulfonation of fatty acids or alkyl methyl esters (having from about 8 to about 24 carbon atoms) with sulfur trioxide or by another known sulfonation technique. Examples include alpha sulphonated coconut fatty acid and lauryl methyl ester.
  • anionic materials include phosphates such as monoalkyl, dialkyl, and trialkylphosphate salts formed by the reaction of phosphorous pentoxide with monohydric branched or unbranched alcohols having from about 8 to about 24 carbon atoms. These could also be formed by other known phosphation methods.
  • An example from this class of surfactants is sodium mono or dilaurylphosphate.
  • anionic materials include acyl glutamates corresponding to the formula RlCO-
  • R* is a saturated or unsaturated, branched or unbranched alkyl or alkenyl group of about 8 to about 24 carbon atoms, and M is a water-soluble cation.
  • Nonlimiting examples of which include sodium lauroyl glutamate and sodium cocoyl glutamate.
  • Other anionic materials include alkanoyl sarcosinates corresponding to the formula
  • R 1 CON(CH3)-CH2CH2-C ⁇ 2M wherein R 1 is a saturated or unsaturated, branched or unbranched alkyl or alkenyl group of about 10 to about 20 carbon atoms, and M is a water- soluble cation.
  • R 1 is a saturated or unsaturated, branched or unbranched alkyl or alkenyl group of about 10 to about 20 carbon atoms
  • M is a water- soluble cation.
  • anionic materials include alkyl ether carboxylates corresponding to the formula R1 ⁇
  • (OCH2CH2) x -OCH2"C02M wherein R is a saturated or unsaturated, branched or unbranched alkyl or alkenyl group of about 8 to about 24 carbon atoms, x is 1 to 10, and M is a water- soluble cation.
  • R is a saturated or unsaturated, branched or unbranched alkyl or alkenyl group of about 8 to about 24 carbon atoms
  • x is 1 to 10
  • M is a water- soluble cation.
  • anionic materials include acyl lactylates corresponding to the formula R ⁇ CO-[0-
  • R! is a saturated or unsaturated, branched or unbranched alkyl or alkenyl group of about 8 to about 24 carbon atoms, x is 3, and M is a water-soluble cation.
  • anionic materials include the carboxylates, nonlimiting examples of which include sodium lauroyl carboxylate, sodium cocoyl carboxylate, and ammonium lauroyl carboxylate.
  • Anionic flourosurfactants can also be used.
  • counter cation M
  • the counter cation is selected from the group consisting of sodium, potassium, ammonium, monoethanolamine, diethanolamine, and triethanolamine. More preferably the counter cation is ammonium.
  • Nonlimiting examples of preferred anionic surfactants useful herein include those selected from the group consisting of sodium and ammonium alkyl sulfates and ether sulfates having chain lengths of predominantly 12 and 14 carbon atoms, olefin sulfates having chain lengths of predominantly 14 and 16 carbon atoms, and paraffin sulfonates having chain lengths of from 13 to 17 carbon atoms, and mixtures thereof.
  • ammonium and sodium lauryl sulfate More preferred for use herein is ammonium and sodium lauryl sulfate, ammonium and sodium myristyl sulfate, ammonium and sodium laureth- 1 to laureth-4 sulfate, C14-C16 olefin sulfonates, C13-C17 paraffin sulfonates, and mixtures thereof. Most preferred is ammonium lauryl sulfate.
  • anionic surfactants consist of surfactants which have a pKa of greater than 4.0.
  • acidic surfactants include the group consisting of acyl sarcosinates, acyl glutamates, alkyl ether carboxylates and mixtures thereof. Acidic surfactants have been found to be a more efficacious surfactant. Without being limited by theory, it is believed that these surfactants provide both the acid and anionic surfactant benefit in one component.
  • Antimicrobial wipes comprising these acidic surfactants provide better antimicrobial efficacy than other surfactants. Their acidic property also allows to the use of less separate proton donating agent, which even further improves the mildness of the antimicrobial cleansing compositions herein.
  • the acidic surfactants are used in the cleansing compositions herein at levels from about 0.1% to about 10%, preferably from about 0.2% to about 8%, more preferably from about 0.3% to about 5%, even more preferably from about 0.4% to about 2%, and most preferably from about 0.5% to about 1%.
  • the aqueous cleansing composition comprising the personal cleansing wipes of the present invention can optionally comprise from about 0.1% to about 10%, preferably from about 0.5% to about 8%, more preferably from about 1% to about 5%, based on the weight of the cleansing composition, of a proton donating agent.
  • proton donating agent it is meant any acid compound or mixture thereof, which results in undissociated acid on the skin after use.
  • Proton donating agents can be organic acids, including polymeric acids, mineral acids or ixtures thereof.
  • a non-exclusive list of examples of organic acids which can be used as the proton donating agent are adipic acid, tartaric acid, citric acid, maleic acid, malic acid, succinic acid, glycolic acid, glutaric acid, benzoic acid, malonic acid, salicylic acid, gluconic acid, polymeric acids, their salts, precursors thereof and mixtures thereof.
  • a non-exclusive list of examples of mineral acid for use herein are hydrochloric, phosphoric, sulfuric, and mixtures thereof.
  • Polymeric acids and gluconic acid are especially preferred acids for use herein from the standpoint that they cause less stinging to the skin than other acids.
  • polymeric acid refers to an acid with repeating units of carboxylic acid groups joined together into one chain. Suitable polymeric acids can include homopolymers, copolymers and terpolymers, but must contain at least 30 mole% carboxylic acid groups.
  • suitable polymeric acids useful herein include straight-chain poly(acrylic) acid and its copolymers, both ionic and nonionic, (e.g., maleic-acrylic, sulfonic-acrylic, and styrene-acrylic copolymers), those cross-linked polyacrylic acids having a molecular weight of less than about 250,000, preferably less than about 100,000 poly ( ⁇ -hydroxy) acids, poly (methacrylic) acid, and naturally occurring polymeric acids such as carageenic acid, carboxy methyl cellulose, and alginic acid.
  • Straight-chain poly(acrylic) acids are especially preferred for use herein and are available from Rohm and Haas Co.
  • organic acid precursors such as glucono lactone.
  • glucono lactone hydrolyzes in water to form gluconic acid.
  • Gluconic acid and glucono lactone are available from such suppliers as Jungbunzlauer Inc.
  • the proton donating agent is used to buffer the pH of the aqueous cleansing composition to a pH ranging from about 3.0 to about 6.0, more preferably from about 3.0 to about 5.0 and most preferably from about 3.5 to about 4.5.
  • the present invention can also optionally comprise water soluble conditioning agents.
  • water soluble conditioning agents are typically included in the aqueous cleansing composition employed herein t a level ranging from about 0.1 % to about 2%, preferably from about 0.2% to about 1.5%, more preferably from about 0.5% to about 1% by weight of the aqueous cleansing composition.
  • Nonlimiting examples of conditioning agents useful as water soluble conditioning agents include those selected from the group consisting of polyhydric alcohols, polypropylene glycols, polyethylene glycols, ureas, pyrolidone carboxylic acids, ethoxylated and/or propoxylated C3-C6 diols and triols, alpha-hydroxy C2-C6 carboxylic acids, ethoxylated and/or propoxylated sugars, polyacrylic acid copolymers, sugars having up to about 12 carbons atoms, sugar alcohols having up to about 12 carbon atoms, and mixtures thereof.
  • Specific examples of useful water soluble conditioning agents include materials such as urea; guanidine; glycolic acid and glycolate salts (e.g.
  • ammonium and quaternary alkyl ammonium ); lactic acid and lactate salts (e.g. ammonium and quaternary alkyl ammonium); sucrose, fructose, glucose, eruthrose, erythritol, sorbitol, mannitol, glycerol, hexanetriol, propylene glycol, butylene glycol, hexylene glycol, and the like; polyethylene glycols such as PEG-2, PEG-3, PEG-30, PEG-50, polypropylene glycols such as PPG-9, PPG- 12, PPG- 15, PPG- 17, PPG-20, PPG-26, PPG-30, PPG-34; alkoxylated glucose; hyaluronic acid; and mixtures thereof.
  • aloe vera in any of its variety of forms (e.g., aloe vera gel), chitin, starch-grafted sodium polyacrylates such as Sanwet (RTM) IM-1000, IM-1500, and IM-2500 (available from Celanese Superabsorbent Materials, Portsmouth, VA); lactamide monoethanolamine; acetamide monoethanolamine; and mixtures thereof.
  • RTM Sanwet
  • IM-1000 IM-1500
  • IM-2500 available from Celanese Superabsorbent Materials, Portsmouth, VA
  • lactamide monoethanolamine acetamide monoethanolamine
  • propoxylated glycerols as described in propoxylated glycerols described in U.S. Patent No. 4,976,953, to Orr et al., issued December 11, 1990, which is incorporated by reference herein in its entirety. d.
  • Drying agents can be employed in the aqueous cleansing compositions employed herein to boost the drying rate of the liquid composition once it applied to the skin via rubbing the wipe product on the skin.
  • Some aqueous cleansing compositions can give a sticky impression when they are applied to the skin, especially during the time it takes for the composition to dry. It has been found that fast-drying compositions provide a softer, smoother skin feel, with less stickiness.
  • Suitable drying agents include isoparaffin, alcohols and combinations thereof. A mixture of isoparaffin and ethanol is especially preferred. Drying agents are typically included in the cleansing compositions employed herein at a level ranging from about 1% to about 60%, preferably from about 3% to about 40%, more preferably from about 5% to about 20% by weight. e.
  • Other Optional Ingredients are typically included in the cleansing compositions employed herein at a level ranging from about 1% to about 60%, preferably from about 3% to about 40%, more preferably from about 5% to about 20% by weight.
  • aqueous liquid compositions of the present invention can comprise a wide range of other optional components. These additional components should be pharmaceutically acceptable when used on mammalian skin.
  • Examples of these and other functional classes include: abrasives, absorbents, anticaking agents, antioxidants, vitamins, binders, biological additives, buffering agents, bulking agents, chelating agents, chemical additives, colorants, cosmetic astringents, cosmetic biocides, denaturants, drug astringents, external analgesics, film formers, fragrance components, humectants, opacifying agents, pH adjusters, preservatives, propellants, reducing agents, skin bleaching agents, and sunscreening agents.
  • aqueous liquid compositions employed in the wipes product herein preferably have a viscosity in the range of from about 1 to about 1000, preferably from about 5 to about 200 centipoise as measured by a Brookfield Digital Viscometer, Model DV-II+ Version 3.2 according to the operating instructions set forth in Manual No. M/92-161-H895.
  • aqueous liquid compositions for use herein are set forth in the following U.S. Patents and U.S. Patent Applications, all of which are herein incorporated by reference: U.S. Patent Application Serial Number 08/727,807 pages 3-6 and 8); U.S. Patent Application Serial Number 08/868,668 filed on June 4, 1997; U.S. Patent 4,941,995 issued July 17, 1990 to Richards et al; U.S. Patent 4,904,524 issued February 27, 1990 to Yoh; U.S. Patent 5,043,155 to Puchalski; U.S. Patent 5,534,265 to Fowler; U.S. Patent 5,648,083 to Blieszner et al.; and U.S. Patent Application Serial Number 08/736,471 filed October 24, 1996.
  • U.S. Patent Application Serial Number 08/736,471 filed October 24, 1996.
  • the aqueous liquid compositions of the present invention can also include compounds for reducing or suppressing the formation of foam or suds.
  • Suitable foam suppressors or antifoaming agents are described in detail in U.S. Patent 5,756,444, herein incorporated by reference in its entirety.
  • Useful foam suppressors include, but are not limited to, silicone foam suppressors, silicas and mixtures thereof. Examples of useful silicone foam suppressors include, but are not limited to, AF-60, AF-66, AF-70, AF-72, AF-75, AF-93, and AF-9020 supplied by the General Electric Co.
  • Suds suppressors are preferably present in the aqueous liquid composition at concentrations of from about 0.01% to about 3%, more preferably from about 0.25% to about 2%, most preferably from about 0.5% to about 1%. h. Substantially Free of Amide Foam Booster
  • compositions are preferably substantially free of amide foam boosters.
  • substantially free what is meant is that the composition hereof can contain no more than about 1%, by weight, of each of these materials, preferably no more than about 0.5%, more preferably no more than about 0.25%, most preferably the present invention contains essentially zero percent of these materials.
  • amide foam boosters can adversely affect deposition of the water-insoluble functional ingredient of the present invention. Examples are such amide foam boosters is found in U.S. Patent 5,648,323, herein incorporated by reference in its entirety. PREPARATION OF WIPES IMPREGNATED WITH AQUEOUS LIQUID COMPOSITION
  • the treated, wetted wipe articles of the present invention are manufactured by adding onto or impregnating into a water insoluble substrate an aqueous liquid composition containing a water-insoluble functional ingredient.
  • the aqueous liquid composition of the present invention is coated on by means of a process comprising at least two steps.
  • One step involves applying the water-insoluble functional ingredient onto the substrate. This can be accomplished by any means known to those skilled in the art: for example, by spraying, printing, splashing, dipping, soaking, or coating.
  • Another step involves applying the aqueous component or aqueous phase to the water-insoluble substrate. This can be accomplished by such methods as, but is not limited to, flood coating, spray coating or metered dosing. More specialized techniques, such as Meyer Rod, floating knife or doctor blade, are typically used to impregnate water-insoluble substrates and may also be used herein.
  • the aqueous liquid composition should preferably comprise from about 100% to about 400%, preferably from about 200% to about 300% by weight of the water-insoluble substrate.
  • the substrate Prior to or after impregnation of the aqueous liquid composition into the substrate, the substrate may be folded into stacks. The substrate is then typically packaged in any of the moisture and vapor impermeable packages known in the art.
  • the treated wipe is applied to a surface (e.g., a skin surface) via topical application to release or deposit an effective amount of the aqueous liquid composition to perform the desired function.
  • the treated wipes of the present invention are used to cleanse and refresh mammalian skin.
  • the amount of water-insoluble functional ingredient delivered from the wipe and frequency of topical application can vary widely, depending upon individual needs. With respect to personal application to the skin, such application can range from about once per day to about four times daily, preferably from about twice per day to about three times daily. Number of wipes used per application can range from 1 to about 4 wipes, preferably 1 to about 2 wipes.
  • the amount of water-insoluble functional ingredient applied is generally from about 1 mg to about 2 mg per cm2 skin.
  • the treated wipes of the present invention can also be used prophylactically by administrating to healthy skin surfaces to guard from or prevent undesired skin conditions and/or infections using the dosing regimen described above.
  • Example 1 The following is an example of a water-insoluble substrate used in the present invention.
  • a patterned hydroentangled non-woven substrate having a basis weight of 56 gms, comprising 70% polyester and 30% rayon approximately 6.5 inches wide by 7.5 inches long with a caliper of about 0.80 mm.
  • Example 2 The following is an example of antimicrobial wet wipe.
  • the ammonium laurel sulfate, silicone antifoam, Triclosan®, sodium benzoate, tetrasodium EDTA, d-gluconic acid, alcohol, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS 10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, Triclosan®, sodium benzoate, tetrasodium EDTA, d-gluconic acid, alcohol, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, Triclosan®, sodium benzoate, tetrasodium EDTA, d-gluconic acid, alcohol and water are mixed at room temperature to form an aqueous phase.
  • the dimethicone and fragrance are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • Example 5 The following is an example of antimicrobial wet wipe.
  • the ammonium laurel sulfate, silicone antifoam, Triclocarban®, sodium benzoate, tetrasodium EDTA, glucono lactone, alcohol, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, Triclosan®, sodium benzoate, tetrasodium EDTA, glucono lactone, alcohol and water are mixed at room temperature to form an aqueous phase.
  • the dimethicone and fragrance are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, para-chloro-meta- xylenol, sodium benzoate, tetrasodium EDTA, glucono lactone, alcohol, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • Example 8 The solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • Example 8 The following is an example of a non-greasy moisturizing wet wipe.
  • the ammonium laurel sulfate, silicone antifoam, sodium benzoate, tetrasodium EDTA, d-gluconic acid, alcohol, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, sodium benzoate, tetrasodium EDTA, d-gluconic acid, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone are mixed at elevated temperatures to form a water insoluble phase.
  • the water- insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, sodium benzoate, tetrasodium EDTA, d-gluconic acid, alcohol, and water are mixed at room temperature to form an aqueous phase.
  • the dimethicone and fragrance are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KSIO Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • Example 11 The following is an example of a sunscreen wet wipe.
  • the ammonium laurel sulfate, silicone antifoam, sodium benzoate, tetrasodium EDTA, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone, oxybenzone, ethylhexyl p-methoxy cinnamate are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS 10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the following is an example of a wet wipe for cleansing and waxing hard surfaces.
  • the ammonium laurel sulfate, silicone antifoam, sodium benzoate, tetrasodium EDTA, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the polyethylene wax, dimethicone, oxybenzone, ethylhexyl p-methoxy cinnamate are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KS10 Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.
  • the ammonium laurel sulfate, silicone antifoam, sodium benzoate, tetrasodium EDTA, fragrance and water are mixed at room temperature to form an aqueous phase.
  • the methyl isostearate, polyethylene wax, dimethicone, DEET-diethyl tolumamide are mixed at elevated temperatures to form a water insoluble phase.
  • the water-insoluble phase is then heated to 90°C.
  • the water-insoluble mixture is allowed to cool to room temperature and is then reheated in a Hot Melt Spray unit with a 0.018" spray nozzle (KSIO Slautterback Unit).
  • the solution is brought to a temperature of 90° C and sprayed onto a moving web of the substrate in Example 1 with variable air pressure and distance from the web.
  • the coated roll is then transferred to an aqueous phase application system for loading.
  • the aqueous phase is applied onto the substrate using a lotion bar.

Abstract

La présente invention concerne des serviettes traitées comprenant une ou plusieurs couches d'un substrat non soluble dans l'eau et une composition liquide aqueuse contenant un ingrédient fonctionnel non soluble dans l'eau, ledit ingrédient fonctionnel non soluble dans l'eau étant réparti uniformément sur et/ou dans le substrat sans agent émulsifiant.
EP99922412A 1998-06-22 1999-06-04 Articles de serviettes traitees Withdrawn EP1089621A1 (fr)

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US9015298P 1998-06-22 1998-06-22
US90152P 1998-06-22
PCT/IB1999/001031 WO1999066793A1 (fr) 1998-06-22 1999-06-04 Articles de serviettes traitees

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Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6294182B1 (en) 1999-03-18 2001-09-25 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Towelette product for minimizing facial fine lines and wrinkles
AU2001280712A1 (en) * 2000-07-24 2002-02-05 The Procter And Gamble Company Wet wipes
US6446795B1 (en) 2000-07-31 2002-09-10 The Gillette Company Towelette packaging
US6939553B2 (en) 2000-09-11 2005-09-06 Kimberly-Clark Worldwide, Inc. Treated substrate with improved transfer efficiency of topical application
US20020071859A1 (en) * 2000-10-23 2002-06-13 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Towelette product with sunscreen agent
ES2287325T3 (es) * 2001-10-09 2007-12-16 THE PROCTER & GAMBLE COMPANY Toallita prehumedecida que comprende una biguanida polimerica para tratar una superficie.
WO2003031558A1 (fr) * 2001-10-09 2003-04-17 The Procter & Gamble Company Lingette pre-humidifiee pour le traitement d'une surface
US6806213B2 (en) 2001-12-20 2004-10-19 Kimberly-Clark Worldwide, Inc. Disposable wash cloth and method of using
KR20100124349A (ko) * 2002-08-12 2010-11-26 론자 인코포레이티드 항균 조성물
US20050058673A1 (en) 2003-09-09 2005-03-17 3M Innovative Properties Company Antimicrobial compositions and methods
EP1543820B1 (fr) * 2003-12-18 2009-03-11 The Procter & Gamble Company Augmentation de la perception de la couleur des cheveux artificiellement colorés
US9028852B2 (en) 2004-09-07 2015-05-12 3M Innovative Properties Company Cationic antiseptic compositions and methods of use
KR20070049653A (ko) * 2004-09-07 2007-05-11 다우 코닝 코포레이션 발한 억제제를 함유하는 실리콘 접착제 제형
EP1898900B1 (fr) 2005-03-10 2011-06-08 3M Innovative Properties Company Compositions antimicrobienes comprenant des esters d'acides hydrocarboxyliques
EP1858482B1 (fr) 2005-03-10 2014-04-23 3M Innovative Properties Company Methodes de reduction d'une contamination microbienne
BRPI0716325A2 (pt) 2006-10-27 2014-03-04 3M Innovative Properties Co Composição antimicrobianas
JP2010138145A (ja) * 2008-12-15 2010-06-24 Kaneka Corp 抗菌抗カビ剤、及びそれを含む樹脂組成物ならびに樹脂組成物の抗菌抗カビ処理方法
MX2011010163A (es) 2009-03-27 2011-10-10 3M Innovative Properties Co Aditivos de fusion de polipropileno hidrofilico.
CN102783925A (zh) * 2012-09-03 2012-11-21 四川大学 乙酸湿纸巾
CN103054788A (zh) * 2013-01-15 2013-04-24 金红叶纸业集团有限公司 护肤组合物及应用其的纸巾
CN103142419A (zh) * 2013-02-26 2013-06-12 金红叶纸业集团有限公司 护肤组合物及应用其的纸巾
SG11201506789PA (en) 2013-02-28 2015-09-29 Dermira Inc Glycopyrrolate salts
US9006462B2 (en) 2013-02-28 2015-04-14 Dermira, Inc. Glycopyrrolate salts
US8558008B2 (en) 2013-02-28 2013-10-15 Dermira, Inc. Crystalline glycopyrrolate tosylate
CN107847400A (zh) 2015-05-01 2018-03-27 欧莱雅 活性剂在化学处理中的用途
JP6873994B2 (ja) 2015-11-24 2021-05-19 ロレアル 毛髪を処置するための組成物
BR112018010344B1 (pt) 2015-11-24 2021-08-10 L'oreal Composição para cabelo, sistema e método para tratamento do cabelo, métodos para alteração da cor do cabelo e do formato do cabelo, e, kits de multicompartimentos
US11213470B2 (en) 2015-11-24 2022-01-04 L'oreal Compositions for treating the hair
WO2017216602A1 (fr) * 2016-06-14 2017-12-21 Karimi Javad Produits en papier et procédés de fabrication de produits en papier ayant des propriétés antimicrobiennes
US11135150B2 (en) 2016-11-21 2021-10-05 L'oreal Compositions and methods for improving the quality of chemically treated hair
US11433011B2 (en) 2017-05-24 2022-09-06 L'oreal Methods for treating chemically relaxed hair
WO2018222184A1 (fr) 2017-05-31 2018-12-06 Kimberly-Clark Worldwide, Inc. Composition antimicrobienne comprenant un lactylate d'acyle et un glycol et procédés d'inhibition de la croissance microbienne l'utilisant
JP6967425B2 (ja) * 2017-10-31 2021-11-17 帝人フロンティア株式会社 布帛型毛髪用化粧料
US11596588B2 (en) 2017-12-29 2023-03-07 L'oreal Compositions for altering the color of hair
US11090249B2 (en) 2018-10-31 2021-08-17 L'oreal Hair treatment compositions, methods, and kits for treating hair
JP2020132580A (ja) * 2019-02-21 2020-08-31 帝人フロンティア株式会社 布帛型毛髪用化粧料
US11419809B2 (en) 2019-06-27 2022-08-23 L'oreal Hair treatment compositions and methods for treating hair

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437253A (en) * 1983-04-04 1984-03-20 Kinnear Duane W Fisherman's hand towel and method
GB8500108D0 (en) * 1985-01-03 1985-02-13 Unilever Plc Disinfectant compositions
EP0735866B1 (fr) * 1993-12-23 2001-02-21 The Procter & Gamble Company Compositions antimicrobiennes pour mouchoirs jetables
AU1528997A (en) * 1996-01-12 1997-08-01 Procter & Gamble Company, The Disinfecting compositions and processes for disinfecting surfaces
FR2747014B1 (fr) * 1996-04-04 1998-06-26 Elysees Balzac Financiere Compositions desinfectantes, leur preparation et supports impregnes de celles-ci
WO1998017239A1 (fr) * 1996-10-24 1998-04-30 The Procter & Gamble Company Compositions pour attenuer les odeurs de la peau
AU7604498A (en) * 1997-06-04 1998-12-21 Procter & Gamble Company, The Mild, antimicrobial wipes
US6258368B1 (en) * 1997-06-04 2001-07-10 The Procter & Gamble Company Antimicrobial wipes
CA2310651C (fr) * 1997-11-19 2006-02-14 The Procter & Gamble Company Articles de type serviettes d'hygiene corporelle, dotes d'une douceur amelioree

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9966793A1 *

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AU3950199A (en) 2000-01-10
KR20010043992A (ko) 2001-05-25
JP2002518414A (ja) 2002-06-25
CA2335281A1 (fr) 1999-12-29
CN1306393A (zh) 2001-08-01
WO1999066793A1 (fr) 1999-12-29
BR9911505A (pt) 2001-03-27

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