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US3963649A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid detergent composition

Assignee: Procter and Gamble Co
•
Filing: 1973-09-05
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Granted: 1976-06-15
•
Expires: 1993-09-05
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Abstract

Abstract Liquid detergent compositions containing a nonionic surface-active agent and a gel-forming gelatin. The compositions minimize filming, streaking, and spotting of tableware and kitchen utensils washed in solutions of the compositions and dried in air without polishing by a towel.

Inventors

  • 👤 Gianfranco Luigi Spadini
  • 👤 Bob Dekker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:38
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/29; C11D1/37; C11D3/00; C11D3/16; C11D3/38; C11D3/384; C11D1/14; C11D1/22; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/047; G03C2001/0471

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 285 words
A liquid dishwashing detergent composition comprising: a. from about 2% to about 40% by weight of a water-soluble organic nonionic surface-active agent selected from the group consisting of: 1. tertiary oxides of the formula R.sub.1 R.sub.2 R.sub.3 Y → O (I) wherein R 1 is a straight or branched, saturated or unsaturated, aliphatic hydrocarbon, hydroxyhydrocarbon, or alkyloxyhydrocarbon radical containing in total from 8 to 24 carbon atoms; and R 2 and R 3 are each a methyl, ethyl, hydroxymethyl, or hydroxyethyl radical; and Y is an N or P atom; 2. amides of the formula R.sub.4 --CO--N(H).sub.m-1 (R.sub.5 OH).sub.3-m (II) wherein R 4 is a saturated or unsaturated, aliphatic hydrocarbon radical containing from 7 to 21 carbon atoms; R 5 represents a methylene or ethylene group; and m is 1, 2, or 3; 3. a condensation product of from about 3 to about 25 moles of ethylene oxide and one mole of an organic, hydrophobic compound containing from about 8 to about 24 carbon atoms selected from the group consisting of C 10 -C 18 aliphatic alcohols, mono- and poly-C 5 -C 18 alkyl phenols, fatty acid esters of sorbitol, manitol and hexitol, C 10 -C 20 aliphatic and C 5 -C 18 alkyl aromatic carboxylic acids, C 7 -C 17 mono- and dialkanolamides and C 8 -C 18 alkyl- and alkenyl- and C 5 -C 18 alkaryl amines; and mixtures thereof; b. from about 0.1% to about 5% by weight of a water-soluble gelatin, having a molecular weight of at least 15,000, an iso-electric point between about pH 4.5 and about pH 9.2; and a gel strength between 50 and 300 Bloom grams; c. from about 5% to about 95% by weight of water.
Claim 2
Dependent Claim 285 words
A liquid dishwashing detergent composition comprising: a. from about 2% to about 40% by weight of a water-soluble organic nonionic surface-active agent selected from the group consisting of: 1. tertiary oxides of the formula R.sub.1 R.sub.2 R.sub.3 Y → O (I) wherein R 1 is a straight or branched, saturated or unsaturated, aliphatic hydrocarbon, hydroxyhydrocarbon, or alkyloxyhydrocarbon radical containing in total from 8 to 24 carbon atoms; and R 2 and R 3 are each a methyl, ethyl, hydroxymethyl, or hydroxyethyl radical; and Y is an N or P atom; 2. amides of the formula R.sub.4 --CO--N(H).sub.m-1 (R.sub.5 OH).sub.3-m (II) wherein R 4 is a saturated or unsaturated, aliphatic hydrocarbon radical containing from 7 to 21 carbon atoms; R 5 represents a methylene or ethylene group; and m is 1, 2, or 3; 3. a condensation product of from about 3 to about 25 moles of ethylene oxide and one mole of an organic, hydrophobic compound containing from about 8 to about 24 carbon atoms selected from the group consisting of C 10 -C 18 aliphatic alcohols, mono- and poly-C 5 -C 18 alkyl phenols, fatty acid esters of sorbitol, manitol and hexitol, C 10 -C 20 aliphatic and C 5 -C 18 alkyl aromatic carboxylic acids, C 7 -C 17 mono- and dialkanolamides and C 8 -C 18 alkyl- and alkenyl- and C 5 -C 18 alkaryl amines; and mixtures thereof; b. from about 0.1% to about 5% by weight of a water-soluble gelatin, having a molecular weight of at least 15,000, an iso-electric point between about pH 4.5 and about pH 9.2; and a gel strength between 50 and 300 Bloom grams; c. from about 5% to about 95% by weight of water.
Claim 3
Dependent Claim 26 words
The composition of claim 1, wherein said gelatin comprises from about 0.2% to about 2% by weight and has a molecular weight between 25,000 and 80,000.
Claim 4
Dependent Claim 28 words
The composition of claim 2 wherein said gelatin has an iso-electric point between pH 7 and pH 9, and a gel strength between 80 and 200 Bloom grams.
Claim 5
Dependent Claim 35 words
The composition of claim 1 wherein said water-soluble organic nonionic surface-active agent is a mixture of tertiary amine oxides and C 11-17 alkyl-CO-diethanol amides in a ratio of from about 5:1 to 1:2 by weight.
Claim 6
Dependent Claim 41 words
The composition of claim 1 which additionally comprises from about 2% to about 12% by weight of a stabilizing agent chosen from the group consisting of ethanol and alkali metal salts of toluene sulfonate, xylene sulfonate, benzene sulfonate, and cumene sulfonate.
Claim 7
Dependent Claim 90 words
The composition of claim 1 which additionally contains from about 1% to about 40% by weight of a water-soluble hydrocarbon sulfate of the formula R.sub.6 O(C.sub.2 H.sub.4 O).sub.n SO.sub.3 M (III) wherein R 6 is a straight or branched, saturated or unsaturated, aliphatic hydrocarbon radical containing from 8 to 22 carbon atoms; n is from 0 to about 15, and M is a cation, preferably sodium or potassium; whereby the total amount of nonionic surface-active agent and hydrocarbon sulfate is not more than 48% by weight of the total composition.
Claim 8
Dependent Claim 28 words
The composition of claim 6 containing from about 2% to about 30% by weight of said water-soluble hydrocarbon sulfate wherein n is from about 3 to about 12.
Claim 9
Dependent Claim 23 words
The composition of claim 6 containing from about 2% to about 15% by weight of said water-soluble hydrocarbon sulfate wherein n is 0.
Claim 10
Dependent Claim 107 words
The composition of claim 1 which additionally contains from about 1% to about 30% by weight of a water-soluble organic sulfuric acid reaction product of the formula R.sub.7 SO.sub.3 M (IV) wherein R 7 is chosen from the group consisting of a straight or branched, saturated or unsaturated, aliphatic hydrocarbon radical containing from 8 to 24 carbon atoms; and an alkylbenzene radical containing from 8 to 18 carbon atoms in the alkyl group; and M is a cation, preferably sodium or potassium; wherein the total amount of nonionic surface-active agent and organic sulfuric acid reaction product is not more than 48% by weight of the total composition.
Claim 11
Dependent Claim 49 words
The composition of claim 9 containing from about 3% to about 15% by weight of said organic, sulfuric acid reaction product of the general formula R 7 SO 3 M wherein the weight ratio of said organic sulfuric acid reaction product to said nonionic surface-active agent is below 3:1.
Claim 12
Dependent Claim 18 words
The composition of claim 9 wherein the organic, sulfuric acid reaction product is a C 12-18 n-paraffin sulfonate.
Claim 13
Dependent Claim 87 words
The composition of claim 10 which additionally contains a water-soluble hydrocarbon sulfate of the formula R 6 O(C 2 H 4 O) n SO 3 M wherein R 6 is a straight or branched, saturated or unsaturated, aliphatic hydrocarbon radical containing from 8 to 22 atoms, n is from 0 to about 15 and M is a cation, preferably sodium or potassium; wherein the weight ratio of said organic sulfuric acid reaction product to the sum of nonionic surface-active agent and said hydrocarbon sulfate is below 1.5:1.0.
Claim 14
Dependent Claim 127 words
The composition of claim 12 wherein said gelatin comprises from about 0.5% to about 2% by weight, has an isoelectric point between pH 7 and 8.5, has an average molecular weight between 35,000 and 50,000, and a gel strength of 80 to 200 Bloom grams; said nonionic surface-active agent comprises from about 4% to about 16% by weight; said hydrocarbon sulfate comprises from about 2% to about 30% by weight and said organic sulfuric acid reaction product comprises from about 3% to about 15% by weight, wherein the weight ratio of said sulfuric acid reaction product to the nonionic surface-active agent is below 2.5:1.0 and the weight ratio of said sulfuric acid reaction product to the sum of nonionic surface-active agent and hydrocarbon sulfate is below 1.0:1.0.
Claim 15
Dependent Claim 38 words
The composition of claim 1 which additionally contains from about 1% to about 15% by weight of the total composition of a water-soluble, low molecular, organic acid or the water-soluble alkali metal, ammonium or substituted ammonium salts thereof.
Claim 16
Dependent Claim 36 words
The composition of claim 14 wherein the organic acid or water-soluble salt is selected from the group consisting of citric acid, tartaric acid, succinic acid, benzene hexacarboxylic acid, and ethylene diamine tetra-acetic acid and salts thereof.
Claim 17
Dependent Claim 44 words
The composition of claim 1 which additionally contains from about 2% to about 10% by weight of an emulsifying agent selected from the group consisting of polyethylene glycol condensation products having molecular weights from about 160 to about 1200; fatty acid esters, and triethanolamine.

References Cited (Backward Citations)

US2251328A Cited
US3548056A Cited
US3704228A Cited
US3808311A Cited
US3793233A Cited
US3813349A Cited
US3816321A Cited
US3898186A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-06-15 1979-12-15 1980-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-06-15 1983-12-15 1984-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-06-15 1987-12-15 1988-06-15 $7700.00 Window Closed / Lapsed

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