WO1999035224A1 - Composition aqueuse de rinçage de douches et procede pour maintenir la proprete des douches - Google Patents

Composition aqueuse de rinçage de douches et procede pour maintenir la proprete des douches Download PDF

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Publication number
WO1999035224A1
WO1999035224A1 PCT/US1998/020993 US9820993W WO9935224A1 WO 1999035224 A1 WO1999035224 A1 WO 1999035224A1 US 9820993 W US9820993 W US 9820993W WO 9935224 A1 WO9935224 A1 WO 9935224A1
Authority
WO
WIPO (PCT)
Prior art keywords
shower
aqueous
composition according
rinsing
weight
Prior art date
Application number
PCT/US1998/020993
Other languages
English (en)
Inventor
Robert H. Black
Original Assignee
Black Robert H
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 Black Robert H filed Critical Black Robert H
Priority to AU96026/98A priority Critical patent/AU9602698A/en
Publication of WO1999035224A1 publication Critical patent/WO1999035224A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/36—Organic compounds containing phosphorus
    • C11D3/361—Phosphonates, phosphinates or phosphonites
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the invention relates to a rinsing solution composition for keeping showers and the like clean, and a method of using same.
  • Description of the Related Art shower stalls and tubs accumulate a steady build-up of organic and inorganic deposits on their surfaces as a result of repeated use.
  • the accumulation of such deposits which include insoluble soap curds, washed-off debris from the body partially coated with soap or shampoo, calcium carbonate, other insoluble metal salts, and growth of mildew and microorganisms, etc., creates an unsightly and unhealthy environment that is unacceptable from the standpoint of cleanliness and good hygiene, as well as aesthetics.
  • the build-up of deposits in a shower can be cleaned with any of a number of aggressive cleaners commercially available to the consumer.
  • These cleaners which contain combinations of surfactants, chelating agents, oxidizers, abrasives, and soluble salts, require repeated scrubbing or wiping with the cleaner, followed generally with a water rinse, to periodically remove the unsightly and unhealthy build-up in the shower.
  • Considerable labor is required to maintain a clean shower using these conventional cleaners.
  • An object of the invention is to provide a composition for a shower rinsing solution for cleaning showers and keeping them clean.
  • Another object of the invention is to provide a method of using the shower and tub rinsing composition to maintain a clean shower, provide a pleasant sheen on the tub and shower surfaces, and prevent the build-up of undesirable deposits on shower surfaces.
  • a further object of the invention is to provide a composition and a method of using the composition to maintain a clean shower where plastic components are prevalent in the shower surfaces .
  • the aqueous shower and tub rinsing composition of the present invention offers the distinct advantage of removing deposits from tub and shower surfaces while also providing a pleasant sheen on these surfaces without any immediate rinsing, wiping, scrubbing or the like.
  • the present invention makes use of the water mist formed by subsequent showering to help in the removal of shower deposits in conjunction with the earlier application of the aqueous shower and tub rinsing solution following an earlier showering by the user.
  • the present invention relates to an easy and safe- to-use, non-streaking aqueous composition for rinsing shower and tub surfaces free from deposits, and without the necessity of wiping or scrubbing, which composition includes a surfactant in combination with a chelating agent, and optionally, an alcohol, a super wetting surfactant, and/or a disinfectant and/or a base for adjusting pH.
  • the present invention also relates to a method of using the aqueous liquid rinsing composition to maintain clean shower and tub surfaces without scrubbing or wiping or even rinsing of the surfaces.
  • the aqueous shower and tub rinsing composition of the invention includes a surfactant in combination with a chelating agent, and optionally an alcohol, a super wetting surfactant, and/or a disinfectant, and/or a base for adjusting pH.
  • a preferred embodiment of the aqueous shower rinsing solution has the following composition expressed in percent (%) by weight: lauraminopropionic acid 2% ethylene diaminetetraacetic acid 1% propylene glycol 1% monoethanolamine 0.38% fragrance 0.006% deionized or distilled water balance
  • the cleaning surfactant used in the present invention advantageously removes both cationic and anionic surfactant residues and deposits and is preferably a liquid at ambient temperatures.
  • This cleaning surfactant is an amphoteric surfactant, such as C 12 _ 14 alkoxypropyl iminodiproprionate, alkyl betains, alkyl glycines, sultaines, alkyl amino acids and alkyl propionic acid, and preferably is the amphoteric surfactant, lauraminopropionic acid.
  • the cleaning surfactant can be a mixture of amphoteric surfactant and non-ionic surfactant.
  • the optional non-ionic surfactant has the property that it does not exacerbate the stress cracks formed on plastic surfaces of a shower, such as the plastic panels that can be mounted above a bathtub.
  • Non-limiting examples of such non-ionic surfactants include alkyl glycosides, acetylenic diols and alkyl sulfosuccinates .
  • the aqueous shower rinsing composition contains the cleaning surfactant in a range of about 0.3 to 5% by weight. It has been found that cleaning surfactant concentrations of less than 0.5% by weight did not result in satisfactory removal of shower deposits and that concentrations above 5% left too much residual (observed as a scummy film) on shower surfaces.
  • Chelating agents such as, but not limited to, carboxylate chelating agents, which include ethylene diaminetetraacetic acid (EDTA) , hydroxyethyl ethylene diaminetriacetic acid (HEEDTA) , diethylenetriamine pentaacetic acid (DTPA) , and nitrilotriacetic acid (NTA) , and salts thereof, are used in combination with the cleaning surfactant according to the present invention.
  • Phosphonate chelating agents such as hydroxyethylidenediphosphonic acid, can also be used in combination with the cleaning surfactant .
  • the carboxylate chelating agents and other non- phosphonate chelating agents mentioned above, as well as a solution of diammonium EDTA, can be mixed in the aqueous shower rinsing composition in an amount of about 0.1 to 4% by weight. There is too much residual left on the shower surfaces when the amount of chelating agent in the aqueous shower rinsing composition is above about 4% by weight whereas below 0.1% by weight of chelating agent, there is little or no removal of shower deposits.
  • Another disadvantage of having less than 0.1% by weight of chelating agent in the aqueous rinsing composition is that the shower surfaces, including the shower floor, are made very slippery by the cleaning surfactant in the absence of a suitable amount of chelating agent.
  • the preferred amount is lower, in the range of about 0.005 to 1%.
  • propylene glycol is the preferred alcohol.
  • glycol ethers such as dipropylene glycol methyl ether, the isopropyl ether of ethylene glycol or propylene glycol, and the ethyl ether of ethylene glycol or propylene glycol can be used as possible, though non- limiting, substitutes for propylene glycol.
  • the alcohol which increases the solvent properties and improves the sheeting action by keeping the surface tension low in order to minimize any residual film on shower surfaces, is optionally added to the aqueous rinsing solution in the range of 0.1 to 5% by weight, preferably in the range of about 0.5 to 1% by weight.
  • a short-chain alcohol such as ethyl alcohol, isopropyl alcohol, n-propyl alcohol, n-butyl alcohol, and isobutyl alcohol, can also be used.
  • the amount of the super wetting surfactant component is generally in the range of 0.01 to 0.5% by weight.
  • super wetting surfactants include silicone glycol copolymers, such as Lambent MFF-184 (Lambent Technologies, Norcross, GA) , pyrrolidones, such as N-octyl pyrrolidone, and alkyl acetylenic diols.
  • Monoethanolamine is a preferred example of a base that can be used to increase the pH of the aqueous shower rinsing solution depending on the acidity of the surfactant and the chelating agent.
  • suitable bases for adjusting pH include, but are not limited to, organic amines, such as diethanolamine (DEA) , triethanolamine, monoisopropylamine and morpholine, and ammonium hydroxide.
  • the pH of the aqueous shower rinsing solution is in the range of about pH 3.5 to 7.5, preferably in the range of about pH 3.5 to 5.0, and more preferably in the range of about 4.5 to 5.0.
  • aqueous rinsing solution also preferably contains fragrance to provide a fresh and clean smell.
  • fragrance is optional, it satisfies the expectation of consumers that a clean shower would smell "fresh and clean”.
  • a composition which lacks a 00 L M to H H is optionally used to enhance the effect of chelants in chelating metal ions and inhibiting the growth of microorganisms such as bacteria, mildew and fungi.
  • these disinfectant compounds include dimethyl oxazolidine, cocoamidopropyl betaine, 1,3 bis (hydroxymethyl) -5, 5- dimethylhydantoin, orthophenyl phenol, etc.
  • the aqueous rinsing solution also preferably contains fragrance to provide a fresh and clean smell. Although the addition of fragrance is optional, it satisfies the expectation of consumers that a clean shower would smell "fresh and clean". However, a composition which lacks a 00 L M to H H H
  • the shower rinsing solution is applied to wet shower surfaces before the deposits dry and set. While the rinsing solution does soften and remove dried deposits, its principal benefit is the removal of the deposits that are still wet . After application of the rinsing solution to the wet shower surfaces, the rinsing solution transports these undesirable deposits down the wet shower surfaces by gravity and into the shower drain. In subsequent showers, the water and mist from showering enhances the removal of deposits.
  • a single cycle or repeated cycles of showering, spray application and drying of shower surfaces serve to convey deposits down to the shower drain in a semi-continuous fashion.
  • Water rinsing following spraying can be done, but is unnecessary. No scrubbing, wiping, or other mechanical action is necessary, in contrast to conventional cleaning agents which are used to remove deposits only after such deposits have dried.
  • the composition according to the present invention is particularly suitable for plastic shower surfaces, such as those that may be used to convert a bathtub to a shower/bathtub enclosure.
  • aqueous shower rinsing composition is not a shower or tub cleaner in the conventional sense, but is a rinsing solution for maintaining a clean shower.
  • a non-limiting example for preparing the preferred embodiment of the aqueous shower rinsing composition is as follows :
  • EDTA and 80% of the MEA in the composition are added to water in a mixing vessel and mixed until the pH reaches equilibrium. At this point, there may be residual undissolved EDTA. The residual undissolved EDTA is then dissolved by slowly adding the remaining MEA to the mixture in the mixing vessel . The pH is monitored during this process to ensure that the pH does not exceed 5.
  • Lauraminopropionic acid, propylene glycol and fragrance are added to the solution and mixed until uniform.
  • Other manners of preparing the aqueous shower rinsing composition of the present invention are well within the knowledge of those skilled in the art.
  • the foregoing description of the specific embodiments will so fully reveal the general nature of the invention that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne une composition destinée à une solution de rinçage aqueuse servant à supprimer les dépôts présents sur les surfaces des douches et similaires. L'invention concerne également l'utilisation de cette composition pour rincer les douches et pour donner, sans récurer, un lustre agréable aux surfaces des douches. La composition comprend un tensioactif de nettoyage combiné à un agent chélateur, et éventuellement, un alcool, un tensioactif super-humidifiant, un désinfectant et une base pour ajuster le pH.
PCT/US1998/020993 1998-01-06 1998-10-06 Composition aqueuse de rinçage de douches et procede pour maintenir la proprete des douches WO1999035224A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU96026/98A AU9602698A (en) 1998-01-06 1998-10-06 An aqueous shower rinsing composition and a method for keeping showers clean

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7050598P 1998-01-06 1998-01-06
US60/070,505 1998-01-06

Publications (1)

Publication Number Publication Date
WO1999035224A1 true WO1999035224A1 (fr) 1999-07-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/020993 WO1999035224A1 (fr) 1998-01-06 1998-10-06 Composition aqueuse de rinçage de douches et procede pour maintenir la proprete des douches

Country Status (2)

Country Link
AU (1) AU9602698A (fr)
WO (1) WO1999035224A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000012662A1 (fr) * 1998-08-27 2000-03-09 Rhodia Inc. Produit de rinçage nettoyant liquide pour surfaces dures

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414128A (en) * 1981-06-08 1983-11-08 The Procter & Gamble Company Liquid detergent compositions
US5342549A (en) * 1990-01-29 1994-08-30 The Procter & Gamble Company Hard surface liquid detergent compositions containing hydrocarbyl-amidoalkylenebetaine
US5362422A (en) * 1993-05-03 1994-11-08 The Procter & Gamble Company Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414128A (en) * 1981-06-08 1983-11-08 The Procter & Gamble Company Liquid detergent compositions
US5342549A (en) * 1990-01-29 1994-08-30 The Procter & Gamble Company Hard surface liquid detergent compositions containing hydrocarbyl-amidoalkylenebetaine
US5362422A (en) * 1993-05-03 1994-11-08 The Procter & Gamble Company Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000012662A1 (fr) * 1998-08-27 2000-03-09 Rhodia Inc. Produit de rinçage nettoyant liquide pour surfaces dures

Also Published As

Publication number Publication date
AU9602698A (en) 1999-07-26

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