US3650816A - Additives for clothes dryers - Google Patents

Additives for clothes dryers Download PDF

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US3650816A
US3650816A US3650816DA US3650816A US 3650816 A US3650816 A US 3650816A US 3650816D A US3650816D A US 3650816DA US 3650816 A US3650816 A US 3650816A
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adjuvant
dryer
drum
cloth
example
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Jerome Rudy
Anthony A Rapisarda
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Lever Brothers Co
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Lever Brothers Co
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials characterised by their shape or physical properties
    • C11D17/04Detergent materials characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/047Arrangements specially adapted for dry cleaning or laundry dryer related applications
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38Cationic compounds
    • C11D1/62Quaternary ammonium compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00Detergent materials characterised by their shape or physical properties
    • C11D17/0043For use with aerosol devices
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/001Softening compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/001Softening compositions
    • C11D3/0015Softening compositions liquid
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/32Amides; Substituted amides
    • C11D3/323Amides; Substituted amides urea or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3703Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707Polyethers, e.g. polyalkyleneoxides
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry driers
    • D06F58/20General details of domestic laundry driers
    • D06F58/203Laundry conditioning arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/46Compounds containing quaternary nitrogen atoms
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/06Processes in which the treating agent is dispersed in a gas, e.g. aerosols
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2352Coating or impregnation functions to soften the feel of or improve the "hand" of the fabric

Abstract

A novel method for applying adjuvants to fabric employing a tumbler-type dryer is disclosed. To achieve uniform distribution of the adjuvant on the fabric, the adjuvant, in accordance with the present invention, is sprayed on to the dryer drum. Spreading agents, distributing agents or carrier may be included in the composition sprayed on to the dryer drum if desired. Novel compositions of matter suitable for use in the practice of this invention are also disclosed.

Description

United States Patent Rudy et al.

[451 Mar. 21, 1972 [54] ADDITIVES FOR CLOTHES DRYERS [72] Inventors: Jerome Rudy, Livingston, N.J.; Anthony A. Rapisarda, Elmhurst, N.Y.

[73] Assignee: Lever Brothers Company, New York,

[22] Filed: July 17, 1969 21 Appl. No.: 842,719

[52] US. Cl ..ll7/l09, 8/147, 34/12, 1l7/33.5 T, l17/139.5 A, 117/1395 C, 117/1395 F, 118/418, 118/506, 252/8.6, 252/106 2,784,183 3/1957 Keller et a1 ....117/33.5 X 2,822,291 2/1958 Hahn ..117/120 X 3,173,841 3/1965 Roth et al. ....117/33.5 X 3,401,052 9/1968 Berger et al.. 17/109 X 3,442,692 5/1969 Gaiser ..1 17/120 X 3,454,494 7/1969 Clark et a1. ..252/8.8 3,468,697 9/1969 Hunter ..117/121 X 3,485,761 12/1969 Haxby ..117/33.5 X

Primary ExaminerRalph S. Kendall Assistant Examiner-Thomas E. Bokan Attorney-Brumbaugh, Garves, Donohue & Raymond [57] ABSTRACT A novel method for applying adjuvants to fabric employing a tumbler-type dryer is disclosed. To achieve uniform distribution of the adjuvant on the fabric, the adjuvant, in accordance with the present invention, is sprayed on to the dryer drum. Spreading agents, distributing agents or carrier may be included in the composition sprayed on to the dryer drum if desired. Novel compositions of matter suitable for use in the practice of this invention are also disclosed.

9 Claims, No Drawings ADDITIVES FOR CLOTHES DRYERS This invention relates to a novel method of applying adjuvants to clothing in tumbler-type drying machines.

It has been customary for many years to include various adjuvants in detergents and wash-cycle additives. Germicides, fabric softeners and optical brighteners'areamong the most common such adjuvants used. However, other materials, such as ironing aids, antistatic agents, stain repellents, soil release agents, wrinkle preventatives;deodorizers, fresheners (e.g., perfumes, etc.), cleaning agents, surfactants, flameproofing agents, mothproofing agents, bleaching agents, etc. are also products which potentially can be applied to fabrics employing the method of the present invention. A-particular advantage of the present invention is that it'is possible to obtain much more efficient application of the adjuvant to the clothing than can be obtained if the adjuvant is applied in the wash or rinse cycles.

in the wash orrinse cycles, the primary objective is to remove soil, etc. from the cloth being washed by means of detergents, water and emulsifying agents. The presence of detergents and emulsifying agents effective to remove soil from the cloth manifestly renders difficult and less efficient the concurrent application of adjuvants such as fabric softeners or other adjuvants to the same piece of material. Since in the drying cycle following washing and rinsing, the conditions characteristic of the rinsing and washing cycles leading to inefficient application of fabric adjuvants are not present, there is the potential for the much more efficient utilization and application of such adjuvants. I

Due to the heat and mechanical action and residual water on the fabrics in the dryer, it might be expected that fabric adjuvants could be easily and uniformly applied in the dryer. Experience demonstrates, however, that this does not'readily occur. For example, if clothing to be treated with a fabric softening agent is placed into a dryer together with a pure fabric softening active ingredient such as distearyl dimethyl ammonium chloride, the softener will be somewhat spread throughout the clothing treated, but it will be far fromuniformly spread. This may result in unsightly spots on cloth or lead to water repellency. While the problem of nonuniformity of spreading may be alleviated in repeated applications of the adjuvant, more preferable results are obtained if the adjuvant is sprayed on to the surface of the dryer drum in accordance with the present invention.

As discussed in our earlier-filed application Ser. No. 821,476, nonuniformity of distribution of an adjuvant in the clothes dryer may be overcome by including a distributing agent which is ordinarily at least 10 percent of the complete composition, but may be effective if present in a concentration of as little as 5 percent by weight. The compositions described in said copending application may be used in bulk form to treat clothing in a clothes dryer-i.e., in the form of flakes, chips, pellets, tablets and the like.

It has been found in accordance with the present invention that where a spray or a 'mist of the adjuvant in a suitable solvent is applied to the surface of the dryer drum inclusion of a distributing agent is not necessary to obtain a good distribution in most cases. It will be understood, of course, that a distributing agent may be incorporated'in the composition applied to the dryer drum if it is desired to do so.

To be effective in the present .,invention, the adjuvant deposited after evaporation of the solvent should be a film which adheres to the inner surface of the drum, in the absence of cloth, but releases gradually and transfers to the clothing being dried (or otherwise treated) in the dryer within a period of time from about 5 to minutes when the dryer is rotated. Where the cloth adjuvant forms a waxy film, suitable adjuvants can be readily characterized by their melting point ranges. Typical waxy materials, for example, are fabric softeners, antistatic agents, and combinations of essential oils and fragrances with a suitable waxy carrier such as the C -C fatty acids, fatty alcohols, ethoxylated derivatives thereof, polyethylene glycols, paraffin and the like. Suitable waxy materials generally have melting and softening points between more fully described below.

In the typical application in accordance with the present in- 'vention, the adjuvant to be applied to the dryer drum is formulated in a moderately volatile solvent therefor to provide a liquid solution containing the adjuvant. The liquid is applied by a suitable spray means such as hand sprayer, aerosol spray, or the like, to the surface of the dryer drum. The volatile solvent evaporates leaving behind a relatively hard residue of the fabric adjuvant which is gradually abraded by the clothing as the'dryer tumbler operates and becomes uniformly applied to the clothing.

Classes of adjuvants which may be employed in the present invention have already generally been referred to above. More specifically,'adjuvants useful in the present invention include, but are not limited to:

1. Fabric softeners such as quaternary ammonium compounds of the formula N(R,R R R;,),,X, and the reaction product of about 2 moles of a fatty acid of the formula R,,COOH and hydroxyalkyldiamine of the formula where R, is a C to C alkyl group, R is a C, to C, alkyl group, R is selected from the grou consisting of R, and R,, R, is a C, to C,,, alkyl group, R is a C, to C divalent hydrocarbon radical and R is a hydroxyalkyl group of from about one to three carbon atoms, X is a anion imparting water dispersibility to the cationic ammonium compound, and y is the valency of X.

Typical commercial products commonly available for use in the present invention include distearyl dimethyl ammonium chloride and the reaction product of approximately 2 moles of stearic acid with approximately 1 mole of hydroxyethylene diamine. The last-mentioned product is a mixed chemical structure in view of the multifunctional characteristics of the diamine reactant. Spectral analysis of a commercial product prepared through the fatty acid-diamine reaction indicates that it contains in the order of 25 percent quaternary compounds of the imidazoline type, the balance thereof being mixed esters and amides. Softeners related to this last mentioned compound also include the quaternarized products of about 2 moles of oleic acid reacted with 1 mole of hydroxyethylene diamine and the product of about 2 moles of a mixture of oleic and stearic acids reacted with about 1 mole of hydroxyethylene diamine. Other suitable fabric softening agents which may be used in the present invention include those which have been described in Proceedings of the American Association of Textile Chemists and Colorists, American Dyestufl Reporter, pages P42 and P43, Jan. 28, 1957.

2. Optical brighteners such as disulfonated diaminostilbene compounds disclosed in Alien Property Custodian publication No. 381,856, and in US. Pat. No. 2,612,501, and triazole compounds ofthe type disclosed in US. Pat. No. 2,784,183.

3. Essential oils and fragrances. In using materials of this category, many substances are normally in liquid form. Such materials mustbe combined with a suitable carrier having the desired waxiness, thermal stability, and hardness to obtain a composition suitable for applying to the surface of a dryer drum. Suitable waxy carriers which may be used as needed are discussed below.

4. Antistatic agents which in many cases are compounds of the same general structure discussed above with respect to fabric softening compounds. As disclosed in U.S. Pat. application Ser. No. 468,918, the antistatic properties of quaternary ammonium compounds as well as other fabric softening agents may be enhanced by combining these materials with ethanolamides such as tallow ethanolamide.

5. Germicides such as the halogenated salicylanilides, hexachlorophene, neomycin sulfate, benzalkonium quaternary compounds, and the like. The halogenated salicylanilides which have found the most widespread acceptance are tribromosalicylanilide and polybromosalicylanilide, the latter being a mixture primarily of dibromosalicylanilide and tribromosalicylanilide.

6. Bodying agents such as carboxymethyl cellulose, hydroxyethylcellulose, starch, polyvinyl acetate and the like. Polyvinyl acetate is also effective to improve ease of ironing and may be employed for that purpose.

7. Soil release agents such as the polyacrylic polyvinyl alcohol compositions described, for example, in US. Pat. No. 3,377,249. A variety of detergents may also be employed as soil release agents.

In the practice of the present invention, one or more of the foregoing fabric adjuvants will be combined and dissolved in a suitable volatile solvent to form a sprayable solution. In normal practice the adjuvant will be sprayed on to the surface ofa relatively cold dryer drum. In order to obtain uniform distribution, it is required that the solution of adjuvant sprayed to the cold drum surface will dry and harden sufficiently that it will not be immediately wiped off on to the clothing which is loaded into the dryer. Accordingly, the solvent system should have sufficient volatility at ambient temperature that it will evaporate rapidly from the solution when applied.

Suitable solvents which may be used in the present invention particularly include those having sufficient volatility to be used also as propellants in aerosol containers of commerce. Such solvent-propellants are particularly efficacious since they may be employed to formulate simple self-dispensing compositions consisting essentially of the adjuvant or adjuvants to be applied together with the solvent-propellant. Other suitable solvents which may be employed include, but are not limited to: halogenated lower alkanes such as methylene chloride and methyl chloride; lower ethers such as dimethyl ether; the lower alkanes such as propane, butane, pentane; lower alcohols such as methyl and ethyl alcohol; etc. It will be recognized that a number of the foregoing solvents are flammable and their use, of course, would be inappropriate in specific commercial applications where flammable solvents are objectionable. In this respect, solvents it may be noted that methods for utilizing flammable solvents in aerosol compositions have been described in the art, for example in U.S. Pat. No. 3,207,386.

When formulating aerosol compositions for use in the present invention it will not always be found that the propellant for the aerosol will be an effective solvent for the adjuvant to be applied. This is particularly true where the chlorinated hydrocarbons are used as the propellant, many of which have been found to lack high-solvency power. ln cases where the solvency power of the propellant is inadequate, a volatile secondary solvent may be provided. Suitable secondary solvents would include the volatile alcohols such as methyl alcohol which are effective to dissolve a wide variety of organic compounds.

As indicated already, in the present invention it is desired that the adjuvant applied to the surface of the dryer drum harden relatively rapidly so that it will not be wiped off by the clothing or other cloth articles loaded into the dryer heterogeneously. Typically, therefore, the adjuvant formulation should be one from which the solvent and propellants present will evaporate in the space of a few minutes and dry to a composition having a melting point in the order of 90 to 180 F. Where the adjuvant to be applied is one which is normally liquid, such as, for example, an essential oil or perfume,

or a relatively soft, low-melting point adjuvant, such as, for example, l-stearylamidoethyll -methyl-2-heptadecylimidazoline methyl sulfate, the adjuvant may be formulated together with a suitable carrier which imparts the necessary hardness to the complete composition. Suitable carriers imparting hardness are preferably waxy organic solids such as stearic acid, stearyl alcohol, palmitic acid, palmityl alcohol, and ethoxylated derivatives of the these acids and alcohols, polyethylene glycol having a molecular weight of l,000 to 5,000, and hydrocarbons such as paraffin and polyethylene. Where a hardening agent is employed as a carrier, the amount thereof should be sufficient that the adjuvant-carrier mixture will exhibit a melting point of about 75 to 200 F.

The present invention may be further understood by reference to the following examples:

EXAMPLE 1 A solution of l-stearylamidoethyl-l-methyl-Z-heptadecylimidazoline methyl sulfate was dissolved in ethyl alcohol. The solution was 20 percent active. Sixty parts of this solution was placed in a container fitted with an aerosol discharge valve, and the container was then charged with 40 parts of a fluorinated hydrocarbon propellant. The final composition inside the aerosol container after charging, therefore, contained 10 parts of fabric softener, 40 parts of ethyl alcohol and 40 parts of propellant.

EXAMPLE 2 The aerosol formulation of Example 1 was sprayed on to the interior surface of the dryer drum. The dryer was clothing charged with 6 pounds of spun-dry clothing, and the clothing was dried for a period of 45 minutes. Comparison of the clothing as dried in a dryer sprayed with the aerosol fabric softener of Example 1 with clothing dried in the absence of that softener showed that significantly improved softness was obtained. In a further control, the formulation of Example 1 was modified by including a minor quantity of a blue colorant to determine the uniformity of distribution. It was found that substantially uniform distribution of the product on the dried clothing was obtained.

Further representative fabric softening compositions are the following:

Example 3 The reaction product ofmixed stearic and oleic acids with hydroxyethylethylenediamine quaternized with dimethyl sulfate 6% di(hardened tallow) dimethyl ammonium chloride 4% ethyl alcohol 40% fluorinated hydrocarbon propellant 50% This material is applied as an aerosol sprayed on to the surface ofthe dryer drum.

Example 4 l-stearylamidoethyll -methyl-2-heptadecylmanner as the formulation described in Example 2.

SOIL RELEASE FORMULATIONS Example 5 Soil release agent I054 polyethylene glycol. m. w. 4000 40% fluorinated hydrocarbon propellant 50% The composition is applied as an aerosol by spraying the interior surface of the dryer drum.

Example 6 the condensate of ethylene oxide with lauryl alcohol containing about 60% by weight ethylene oxide l0% ethyl alcohol 40% fluorinated hydrocarbon propellant 50% OPTICAL BRIGHTENER FORMULATIONS Example 7 an optical brightener of the class disclosed in APC publication 38l,856 2% triethanol amine 48% l'luorinated hydrocarbon propellant 50% This product is applied as an aerosol by spraying the interior surface of the dryer drum.

Example 8 Example 7 may be modified by substituting an optical brightener ofthe type disclosed in US Pat. No. 2,784,183, for the brightener of Example 7. Example 7may also be modified by substituting dicocodimethyl ammonium chloride for all or a portion of the triethanol amine.

GERMICIDAL AND SANITIZER FORMULATIONS Example 9 polybromosalicylanilide l07 Example l2 The aerosol formulations described in Examples 9 through I3 were sprayed on the interior surface of a dryer drum. The dryer was then charged with 6 pounds of spun-dried cloth and the cloth dried 45 minutes. Portions of the dried cloth treated with germicide were evaluated for antibacterial activity Treated cloth showed significant antibacterial activity while untreated cloth did not.

WATER AND STAIN REPELLANT FORMULATIONS Example 14 calcium stearate 10% ethyoxylated alcohols (C -C having about 60% ethylene oxide 2% ethyl alcohol 38% fluorinated hydrocarbon propellant 50% Example 15 linear alkyl benzene sulfonate l0% isopropyl alcohol 40% fluorinated hydrocarbon propellant 50% Example 16 polyoxyethylene sorbitan tristearate 8% condensate of ethylene diamine with ethylene oxide and propylene oxide 2% isopropyl alcohol 40% fluorinated hydrocarbon propellant 50% BODYING AGENTS Example 17 polyvinyl alcohol 40% water 30% isobutane 30% We claim: 1. A method for treating cloth with a cloth adjuvant in a clothes dryer having a drum comprising the steps of a. spraying a cloth adjuvant onto the interior surface of said dryer drum, said adjuvant forming an adherent film on said drum surface which is sufficiently hard that it will not be immediately wiped off onto the cloth articles that are loaded into the drum but which is removable by the cloth articles which abrade against said film when said drum rotates in a period between about 5 and 45 minutes, the adjuvant being selected from the group consisting of germicides, fabric softeners, optical brighteners, ironing aides, antistatic agents, stain repellents, soil release agents, wrinkle preventents, deodorizers, fresheners, cleaning agents, surfactants, flame proofing agents, moth proofing agents and bleaching agents,

b. loading the cloth to be treated in said dryer, and 17 adjuvant said adjuvant 2. A method according to claim 1 for treating cloth with a fabric softener, wherein said cloth adjuvant applied to the interior surface of said dryer drum is a fabric softener having a softening point between 70 and 200 F.

3. A method according to claim 2 wherein said fabric softener is selected from the group consisting of quaternary ammonium compounds of the formula N(R,R R R ),,X and the reaction product of about 2 moles of a fatty acid of the formula R,COOH and hydroxyalkyldiamine ofthe formula dispersibility to the cationic ammonium compound, and y is the VALENCY of X.

4. A method according to claim 1 wherein said cloth adjuvant is a germicide selected from the group consisting of halogenated salicylanilides, hexachlorophene, neomycin sulfate, and benzalkonium quaternary compounds.

5. A method according to claim 1 wherein said cloth adjuvant is an optical brightener.

6. A method according to claim 1 wherein said adjuvant is employed in combination with a waxy carrier having a softening point between about 70 and 200 F., the waxy carrier being present in an amount sufficient to impart the desired degree of hardness to the composition when said composition is applied to the surface of the dryer drum.

7. A method according to claim 6 wherein said adjuvant is employed in combination with a waxy carrier selected from the group consisting of stearic acid, stearyl alcohol, palmitic acid, palmityl alcohol, and ethoxylated derivatives of these acids and alcohols, polyethylene glycol having a molecular weight of 1,000 to 5,000 and hydrocarbons.

8. A method according to claim 1 wherein said cloth adjuvant is employed in combination with a waxy carrier having a melting point between about and F.

9. A method according to claim 1 wherein said adjuvant is sprayed onto the interior surface of said dryer drum by means of an aerosol spray.

UNITED STATES PATENT OFFlCE CETlFlCAlE or coscrim Patent NO. 3 Dated March 21 1972 R r lnventofls) Jerome udy et al It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:

First page, Item [54] and in column 1, line 1, the title should read Method of Applying Adjuvants to Cloth last line of Item [56] "Garves" should read Graves Column 3, line 50, after "respect" the word "solvents" should read however, line 55, after "invention" insert a comma. Column 4, line 32, after "was"; delete "clothing" and substitute then Column 5 lines67 and 68, "mixture b-l2 alkyl dimethyl ethyl benzyl" should read mixture of alkyl dimethyl ethyl benzyl Column 7, lines 5 and 64 delete "l7 ad juvant said adjuvant" and substitute therefor: c. Operating said dryer for a period of time sufficient to effect application of said adjuvant to said cloth. Column 8, line 2, "VALENCY" should read valency Signed and sealed this 17th day of October 1972.

(SEAL) Attest:

EDWARD M.FLETCHER,JR. I ROBERT GOTTSCHALK Attesting Officer Commissioner of Patents FORM PO 050 (10-69)- USCOMM-DC 50376-P69 u.s, eovammzm PRINTING OFFICE: was o-aae-au.

Claims (8)

  1. 2. A method according to claim 1 for treating cloth with a fabric softener, wherein said cloth adjuvant applied to the interior surface of said dryer drum is a fabric softener having a softening point between 70* and 200* F.
  2. 3. A method according to claim 2 wherein said fabric softener is selected from the group consisting of quaternary ammonium compounds of the formula N(R1R2R3R3)yX and the reaction product of about 2 moles of a fatty acid of the formula R4COOH and hydroxyalkyldiamine of the formula where R1 is a C16 to C20 alkyl group, R2 is a C1 to C4 alkyl group, R3 is selected from the group consisting of R1 and R2, R4 is a C15 to C19 alkyl group, R5 is a C1 to C3 divalent hydrocarbon radical and R6 is a hydroxyalkyl group of from about one to three carbon atoms, X is a anion imparting water dispersibility to the cationic ammonium compound, and y is the VALENCY of X.
  3. 4. A method according to claim 1 wherein said cloth adjuvant is a germicide selected from the group consisting of halogenated salicylanilides, hexachlorophene, neomycin sulfate, and benzalkonium quaternary compounds.
  4. 5. A method according to claim 1 wherein said cloth adjuvant is an optical brightener.
  5. 6. A method according to claim 1 wherein said adjuvant is employed in combination with a waxy carrier having a softening point between about 70* and 200* F., the waxy carrier being present in an amount sufficient to impart the desired degree of hardness to the composition when said composition is applied to the surface of the dryer drum.
  6. 7. A method according to claim 6 wherein said adjuvant is employed in combination with a waxy carrier selected from the group consisting of stearic acid, stearyl alcohol, palmitic acid, palmityl alcohol, and ethoxylated derivatives of these acids and alcohols, polyethylene glycol having a molecular weight of 1,000 to 5,000 and hydrocarbons.
  7. 8. A method according to claim 1 wherein said cloth adjuvaNt is employed in combination with a waxy carrier having a melting point between about 90* and 100* F.
  8. 9. A method according to claim 1 wherein said adjuvant is sprayed onto the interior surface of said dryer drum by means of an aerosol spray.
US3650816A 1969-05-02 1969-07-17 Additives for clothes dryers Expired - Lifetime US3650816A (en)

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DE2516104A1 (en) * 1974-04-16 1975-10-30 Procter & Gamble Textile treatment compositions
US3963629A (en) * 1971-07-21 1976-06-15 Center For New Product Development Fabric softener composition for use in a clothes dryer and method
US4000340A (en) * 1973-10-29 1976-12-28 The Procter & Gamble Company Clothes dryer additive containing crisping agents
US4012326A (en) * 1971-06-29 1977-03-15 Lever Brothers Company Additives for clothes dryers
US4049858A (en) * 1974-12-12 1977-09-20 The Procter & Gamble Company Article for softening fabrics in an automatic clothes dryer
US4077891A (en) * 1976-08-20 1978-03-07 The Procter & Gamble Company Fabric treatment compositions
US4077890A (en) * 1973-02-23 1978-03-07 Graham Barker Composition for treating fabrics, method for making and using the same
US4121009A (en) * 1974-09-03 1978-10-17 Gaf Corporation Anti-static fabric softening compositions and processes for drying and softening textiles therewith
US4126563A (en) * 1974-07-08 1978-11-21 Graham Barker Composition for treating fabrics, method for making and using the same
US4214038A (en) * 1979-01-22 1980-07-22 The Procter & Gamble Company Fabric treatment compositions containing polyglycerol esters
US4559151A (en) * 1984-05-07 1985-12-17 Sterling Drug Inc. Antistatic fabric conditioner compositions and method
US4642258A (en) * 1983-07-05 1987-02-10 Economics Laboratory, Inc. Treatment of fabrics in machine dryers using treating means containing fabric treating composition having resistance to change in viscosity and release rate with temperature change
US4806254A (en) * 1987-05-26 1989-02-21 Colgate-Palmolive Co. Composition and method for removal of wrinkles in fabrics
US4834895A (en) * 1987-08-17 1989-05-30 The Procter & Gamble Company Articles and methods for treating fabrics in clothes dryer
US4938879A (en) * 1989-04-04 1990-07-03 Creative Products Resource Associates, Ltd. Stearate-based dryer-added fabric softener sheet
US5062973A (en) * 1989-04-04 1991-11-05 Creative Products Resource Associates, Ltd. Stearate-based dryer-added fabric modifier sheet
US5066413A (en) * 1989-04-04 1991-11-19 Creative Products Resource Associates, Ltd. Gelled, dryer-added fabric-modifier sheet
US5173200A (en) * 1989-04-04 1992-12-22 Creative Products Resource Associates, Ltd. Low-solvent gelled dryer-added fabric softener sheet
US5658651A (en) * 1995-09-29 1997-08-19 Creative Products Resource, Inc. Fabric treatment and softener system for in-dryer use
US5675911A (en) * 1994-09-19 1997-10-14 Moser; Scott A. Article and method for treating fabrics in a clothes dryer
US5972041A (en) * 1995-06-05 1999-10-26 Creative Products Resource, Inc. Fabric-cleaning kits using sprays, dipping solutions or sponges containing fabric-cleaning compositions
US6036727A (en) * 1995-06-05 2000-03-14 Creative Products Resource, Inc. Anhydrous dry-cleaning compositions containing polysulfonic acid, and dry-cleaning kits for delicate fabrics
US6086634A (en) * 1995-06-05 2000-07-11 Custom Cleaner, Inc. Dry-cleaning compositions containing polysulfonic acid
WO2001030186A2 (en) * 1999-10-27 2001-05-03 Playtex Products, Inc. Method of making fragranced gloves
WO2001090294A1 (en) * 2000-05-22 2001-11-29 The Procter & Gamble Company A kit for caring for a fabric article
WO2001090475A1 (en) * 2000-05-22 2001-11-29 The Procter & Gamble Company A method for caring for a fabric article and for providing a system therefor
US20030195130A1 (en) * 2002-04-10 2003-10-16 Lentsch Steven E. Fabric softener composition and methods for manufacturing and using
US20030224965A1 (en) * 2002-05-28 2003-12-04 Johnsondiversey, Inc. Apparatus, methods, and compositions for adding fragrance to laundry
US6689740B1 (en) * 1999-06-15 2004-02-10 Givaudan Sa Method for preparing fragrance products
US20040253376A1 (en) * 2001-10-11 2004-12-16 Parker Andrew Philip Fabric treatment compositions
US20040259750A1 (en) * 2002-04-22 2004-12-23 The Procter & Gamble Company Processes and apparatuses for applying a benefit composition to one or more fabric articles during a fabric enhancement operation
US20050076453A1 (en) * 2002-04-22 2005-04-14 Lucas Michelle Faith Method of enhancing a fabric article
US20060183663A1 (en) * 2002-04-10 2006-08-17 Ecolab Inc. Fabric treatment compositions and methods for treating fabric in a dryer
US20070256253A1 (en) * 2002-04-08 2007-11-08 Ogden J M Method for delivering liquid fabric treating compositions to clothing in a clothes dryer
US20080004204A1 (en) * 2002-04-10 2008-01-03 Tindel-Koukal Monica P Solid fabric conditioning compositions and treatment in a dryer
US20100000115A1 (en) * 2008-07-02 2010-01-07 Whirlpool Corporation Method for removing chemistry buildup in a dispensing dryer
US20110209293A1 (en) * 2010-02-26 2011-09-01 Whirlpool Corporation Method for treating laundry in a clothes dryer
US9000203B2 (en) 2009-08-31 2015-04-07 Battelle Memorial Institute Surface modifying compositions

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US3936538A (en) * 1974-03-18 1976-02-03 Calgon Consumer Products Company Inc. Polymeric film dryer-added fabric softening compositions
US4421792A (en) * 1980-06-20 1983-12-20 Lever Brothers Company Additives for clothes dryers
DE2823982C3 (en) * 1978-06-01 1981-08-13 Hoechst Ag, 6000 Frankfurt, De
US4567675A (en) * 1982-05-20 1986-02-04 Lever Brothers Company Device for conditioning fabrics in a tumble-dryer
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Cited By (57)

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Publication number Priority date Publication date Assignee Title
US4012326A (en) * 1971-06-29 1977-03-15 Lever Brothers Company Additives for clothes dryers
US3963629A (en) * 1971-07-21 1976-06-15 Center For New Product Development Fabric softener composition for use in a clothes dryer and method
US4077890A (en) * 1973-02-23 1978-03-07 Graham Barker Composition for treating fabrics, method for making and using the same
US4000340A (en) * 1973-10-29 1976-12-28 The Procter & Gamble Company Clothes dryer additive containing crisping agents
DE2516104A1 (en) * 1974-04-16 1975-10-30 Procter & Gamble Textile treatment compositions
US4126563A (en) * 1974-07-08 1978-11-21 Graham Barker Composition for treating fabrics, method for making and using the same
US4126561A (en) * 1974-07-08 1978-11-21 Graham Barker Composition for treating fabrics, method for making and using the same
US4121009A (en) * 1974-09-03 1978-10-17 Gaf Corporation Anti-static fabric softening compositions and processes for drying and softening textiles therewith
US4049858A (en) * 1974-12-12 1977-09-20 The Procter & Gamble Company Article for softening fabrics in an automatic clothes dryer
US4142978A (en) * 1974-12-12 1979-03-06 The Procter & Gamble Company Fabric treating compositions with modified phase properties
US4077891A (en) * 1976-08-20 1978-03-07 The Procter & Gamble Company Fabric treatment compositions
US4214038A (en) * 1979-01-22 1980-07-22 The Procter & Gamble Company Fabric treatment compositions containing polyglycerol esters
US4642258A (en) * 1983-07-05 1987-02-10 Economics Laboratory, Inc. Treatment of fabrics in machine dryers using treating means containing fabric treating composition having resistance to change in viscosity and release rate with temperature change
US4559151A (en) * 1984-05-07 1985-12-17 Sterling Drug Inc. Antistatic fabric conditioner compositions and method
US4806254A (en) * 1987-05-26 1989-02-21 Colgate-Palmolive Co. Composition and method for removal of wrinkles in fabrics
US4834895A (en) * 1987-08-17 1989-05-30 The Procter & Gamble Company Articles and methods for treating fabrics in clothes dryer
US4938879A (en) * 1989-04-04 1990-07-03 Creative Products Resource Associates, Ltd. Stearate-based dryer-added fabric softener sheet
WO1990011838A1 (en) * 1989-04-04 1990-10-18 Creative Products Resource Associates, Ltd. Stearate-based dryer-added fabric softener sheet
US5062973A (en) * 1989-04-04 1991-11-05 Creative Products Resource Associates, Ltd. Stearate-based dryer-added fabric modifier sheet
US5066413A (en) * 1989-04-04 1991-11-19 Creative Products Resource Associates, Ltd. Gelled, dryer-added fabric-modifier sheet
US5173200A (en) * 1989-04-04 1992-12-22 Creative Products Resource Associates, Ltd. Low-solvent gelled dryer-added fabric softener sheet
US5675911A (en) * 1994-09-19 1997-10-14 Moser; Scott A. Article and method for treating fabrics in a clothes dryer
US6179880B1 (en) 1995-06-05 2001-01-30 Custom Cleaner, Inc. Fabric treatment compositions containing polysulfonic acid and organic solvent
US5972041A (en) * 1995-06-05 1999-10-26 Creative Products Resource, Inc. Fabric-cleaning kits using sprays, dipping solutions or sponges containing fabric-cleaning compositions
US5997586A (en) * 1995-06-05 1999-12-07 Smith; James A. Dry-cleaning bag with an interior surface containing a dry-cleaning composition
US6036727A (en) * 1995-06-05 2000-03-14 Creative Products Resource, Inc. Anhydrous dry-cleaning compositions containing polysulfonic acid, and dry-cleaning kits for delicate fabrics
US6086634A (en) * 1995-06-05 2000-07-11 Custom Cleaner, Inc. Dry-cleaning compositions containing polysulfonic acid
US6254932B1 (en) 1995-09-29 2001-07-03 Custom Cleaner, Inc. Fabric softener device for in-dryer use
US5658651A (en) * 1995-09-29 1997-08-19 Creative Products Resource, Inc. Fabric treatment and softener system for in-dryer use
US6238736B1 (en) 1995-09-29 2001-05-29 Custom Cleaner, Inc. Process for softening or treating a fabric article
US6689740B1 (en) * 1999-06-15 2004-02-10 Givaudan Sa Method for preparing fragrance products
WO2001030186A3 (en) * 1999-10-27 2001-09-20 Playtex Products Inc Method of making fragranced gloves
US6352745B1 (en) * 1999-10-27 2002-03-05 Playtex Products, Inc. Method of making fragranced gloves
WO2001030186A2 (en) * 1999-10-27 2001-05-03 Playtex Products, Inc. Method of making fragranced gloves
WO2001090475A1 (en) * 2000-05-22 2001-11-29 The Procter & Gamble Company A method for caring for a fabric article and for providing a system therefor
WO2001090294A1 (en) * 2000-05-22 2001-11-29 The Procter & Gamble Company A kit for caring for a fabric article
US7531493B2 (en) 2000-05-22 2009-05-12 The Procter & Gamble Company Kit for caring for a fabric article
US20040253376A1 (en) * 2001-10-11 2004-12-16 Parker Andrew Philip Fabric treatment compositions
US20070256253A1 (en) * 2002-04-08 2007-11-08 Ogden J M Method for delivering liquid fabric treating compositions to clothing in a clothes dryer
US20030195130A1 (en) * 2002-04-10 2003-10-16 Lentsch Steven E. Fabric softener composition and methods for manufacturing and using
US7786069B2 (en) 2002-04-10 2010-08-31 Ecolab Inc. Multiple use solid fabric conditioning compositions and treatment in a dryer
US7456145B2 (en) 2002-04-10 2008-11-25 Ecolab Inc. Fabric treatment compositions comprising ester quats and fatty amides and methods for treating fabric in a dryer
US7381697B2 (en) * 2002-04-10 2008-06-03 Ecolab Inc. Fabric softener composition and methods for manufacturing and using
US20080004204A1 (en) * 2002-04-10 2008-01-03 Tindel-Koukal Monica P Solid fabric conditioning compositions and treatment in a dryer
US20060183663A1 (en) * 2002-04-10 2006-08-17 Ecolab Inc. Fabric treatment compositions and methods for treating fabric in a dryer
US7250393B2 (en) 2002-04-10 2007-07-31 Ecolab Inc. Fabric treatment compositions and methods for treating fabric in a dryer
US20050076453A1 (en) * 2002-04-22 2005-04-14 Lucas Michelle Faith Method of enhancing a fabric article
US20040259750A1 (en) * 2002-04-22 2004-12-23 The Procter & Gamble Company Processes and apparatuses for applying a benefit composition to one or more fabric articles during a fabric enhancement operation
US20060194712A1 (en) * 2002-05-28 2006-08-31 Johnsondiversey, Inc. Compositions and methods for adding fragrance to laundry
US20030224965A1 (en) * 2002-05-28 2003-12-04 Johnsondiversey, Inc. Apparatus, methods, and compositions for adding fragrance to laundry
US7066412B2 (en) * 2002-05-28 2006-06-27 Johnsondiversey, Inc. Apparatus, methods, and compositions for adding fragrance to laundry
WO2005073455A1 (en) * 2004-01-21 2005-08-11 The Procter & Gamble Company Method of enhancing a fabric article
US20100000115A1 (en) * 2008-07-02 2010-01-07 Whirlpool Corporation Method for removing chemistry buildup in a dispensing dryer
US8209879B2 (en) 2008-07-02 2012-07-03 Whirlpool Corporation Method for removing chemistry buildup in a dispensing dryer
US9000203B2 (en) 2009-08-31 2015-04-07 Battelle Memorial Institute Surface modifying compositions
US20110209293A1 (en) * 2010-02-26 2011-09-01 Whirlpool Corporation Method for treating laundry in a clothes dryer
US8974546B2 (en) 2010-02-26 2015-03-10 Whirlpool Corporation Method for treating laundry in a clothes dryer

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NL176191B (en) 1984-10-01 application
NL7006410A (en) 1970-11-04 application
CA1027309A1 (en) grant
GB1313697A (en) 1973-04-18 application
CA1027309A (en) 1978-03-07 grant
DE2066207C2 (en) 1986-04-17 grant

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