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US4079020A Expired / Lapsed US ⏱️ 0.0 years remaining

Cleaning composition

Assignee: Lever Brothers Co
•
Filing: 1976-11-04
•
Granted: 1978-03-14
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Expires: 1996-11-04
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Abstract

Abstract A dishwashing composition comprising an active-detergent system containing a secondary alkyl sulphonate/sulphate and an alkylethersulphate or a nonionic surface-active compound, which includes a small amount of casein, said dishwashing composition having good drain-dry properties, obviating cloth-drying of the washed articles.

Inventors

  • 👤 Anthony Kinnaird Mills
  • 👤 Peter Winterbotham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:09
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/02; C11D1/12; C11D1/29; C11D1/34; C11D1/37; C11D3/00; C11D3/16; C11D3/38; C11D3/384; C11D1/14

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 72 words
An aqueous liquid dishwashing composition comprising: (a) 1 to 40%, by weight of said composition of a secondary C 8 -C 24 alkyl sulphonate or a secondary C 8 -C 24 alkyl sulphate; (b) 1 to 40% by weight of said composition of a C 8 -C 24 alkylethersulphate having 1 to 10 alkylene oxide groups, or a nonionic detergent active compound; and (c) 0.25 to 5.0% by weight of soluble casein.
Claim 2
Dependent Claim 72 words
An aqueous liquid dishwashing composition comprising: (a) 1 to 40%, by weight of said composition of a secondary C 8 -C 24 alkyl sulphonate or a secondary C 8 -C 24 alkyl sulphate; (b) 1 to 40% by weight of said composition of a C 8 -C 24 alkylethersulphate having 1 to 10 alkylene oxide groups, or a nonionic detergent active compound; and (c) 0.25 to 5.0% by weight of soluble casein.
Claim 3
Dependent Claim 13 words
A dishwashing composition according to claim 1, wherein said casein is sodium caseinate.
Claim 4
Dependent Claim 48 words
A dishwashing composition according to claim 1, wherein component (a) is present at a level of 5 to 40% by weight; component (b) is present at a level of 1 to 20% by weight; and component (c) is present at a level of 1 to 3% by weight.
Claim 5
Dependent Claim 21 words
A dishwashing composition acccording to claim 1, wherein the ratio of component (a) to component (b) is from 5:1 to 1:2.
Claim 6
Dependent Claim 21 words
A dishwashing composition according to claim 1 wherein the ratio of component (a) to component (b) is from 4:1 to 1:1.
Claim 7
Dependent Claim 24 words
A dishwashing composition according to claim 1, wherein said secondary alkyl sulphonate or sulphate has an alkyl chain of 12 to 18 carbon atoms.
Claim 8
Dependent Claim 29 words
A dishwashing composition according to claim 1, wherein said alkylethersulphate is derived from a primary C 12 -C 18 alcohol condensed with 1 to 5 moles of ethylene oxide.
Claim 9
Dependent Claim 64 words
A dishwashing composition according to claim 1, wherein said nonionic detergent-active compound is an amine oxide having the general formula R R 1 R 2 N → 0, wherein R is a straight or branched chain aliphatic hydrocarbon radical, which may be saturated or unsaturated, having 8 to 20 carbon atoms, and R 1 and R 2 are methyl, ethyl, hydroxy-methyl, or hydroxyethyl groups.
Claim 10
Dependent Claim 105 words
A dishwashing composition according to claim 1, further comprising an organo-phosphorus compound of the general formula R--(EO) n --(0) m --PO 3 X 2 , wherein R is a straight or branched chain alkyl having 8 to 18 carbon atoms or a phenylalkyl hydrocarbon chain wherein the alkyl group has 10 to 18 carbon atoms; (e0) is an ethylene oxide or propylene oxide group; n is a number from 0 to 10; m = 0 to 1 and X is hydrogen or an alkali metal, ammonium or substituted ammonium cation; in an amount of about 0.5 to 5% by weight based on the total composition.
Claim 11
Dependent Claim 74 words
A dishwashing composition according to claim 9, wherein said organo-phosphorus compound is a phosphate ester having the general formula R(E0) n --OPO 3 X 2 , wherein R is a straight chain or branched chain hydrocarbon radical having 8 to 18 carbon atoms; (E0) is an ethylene oxide or propylene oxide group; n is a number of from 0 to 10; and X is hydrogen or an alkali metal, ammonium or substituted ammonium cation.
Claim 12
Dependent Claim 31 words
A dishwashing composition according to claim 9, wherein said phosphate ester has R containing 11 to 15 carbon atoms; n is between 3 and 7; and C is a sodium cation.
Claim 13
Dependent Claim 135 words
An Aqueous liquid dishwashing composition comprising: (a) 1 to 40% by weight of said composition of a secondary C 8 -C 24 alkyl sodium sulphonate; (b) 1 to 40% by weight of said composition of a sodium C 8 -C 24 alkylethersulphate, having 1 to 10 alkylene oxide groups, or a nonionic detergent active compound; (c) 0.25 to 5.0% by weight of said compound of soluble casein; and (d) 0.5 to 5.0% by weight of said composition of a phosphate ester having the general formula R(E0) n --OPO 3 X, wherein R is a straight or branched chain hydrocarbon radical having 11 to 15 carbon atoms; (EO) is an ethylene or propylene oxide group; n is a number from 3 to 7; and X is hydrogen, or an alkali metal, ammonium or substituted ammonium cation.
Claim 14
Dependent Claim 135 words
An Aqueous liquid dishwashing composition comprising: (a) 1 to 40% by weight of said composition of a secondary C 8 -C 24 alkyl sodium sulphonate; (b) 1 to 40% by weight of said composition of a sodium C 8 -C 24 alkylethersulphate, having 1 to 10 alkylene oxide groups, or a nonionic detergent active compound; (c) 0.25 to 5.0% by weight of said compound of soluble casein; and (d) 0.5 to 5.0% by weight of said composition of a phosphate ester having the general formula R(E0) n --OPO 3 X, wherein R is a straight or branched chain hydrocarbon radical having 11 to 15 carbon atoms; (EO) is an ethylene or propylene oxide group; n is a number from 3 to 7; and X is hydrogen, or an alkali metal, ammonium or substituted ammonium cation.

References Cited (Backward Citations)

US3548056A Cited
US3928249A Cited
US3936317A Cited
US3963649A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-03-13 1981-09-12 1982-03-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-03-13 1985-09-12 1986-03-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-03-13 1989-09-12 1990-03-14 $7700.00 Window Closed / Lapsed

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