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Alkyl phosphoric salt-hydrocarbon wax lather controlled detergent compositions

Assignee: Lever Brothers Co
•
Filing: 1980-11-07
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Granted: 1984-08-14
•
Expires: 2000-11-07
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Abstract

Abstract Mixed lather controllers comprise a C 12 -C 24 alkyl phosphoric acid or salt thereof together with a solid hydrocarbon wax having a melting point of 20°-120° C. The use of these mixed lather controllers is especially beneficial in built fabric washing detergent compositions.

Inventors

  • 👤 Malcolm N. A. Carter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:52
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/18; C11D1/00; C11D1/02; C11D1/34; C11D1/345; C11D3/0005; C11D3/0026; C11D3/36; C11D3/362; Y; Y10; Y10S; Y10S516/00; Y10S516/01

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 109 words
A detergent composition for fabric washing in water comprising about 1% to about 90% by weight of an anionic or mixed anionic-nonionic detergent active compound, and about 0.05% to about 20% by weight of an alkyl phosphoric acid having the general formula: ##STR2## where A is --OH or R 2 O, n is 0 and R 1 and R 2 are the same or different C 16-22 straight or branched chain, saturated or unsaturated alkyl groups, or a salt thereof, and about 0.05% to about 20% by weight of a solid hydrocarbon wax of mineral origin which melts at a temperature of about 20° C. to about 90° C.
Claim 2
Dependent Claim 109 words
A detergent composition for fabric washing in water comprising about 1% to about 90% by weight of an anionic or mixed anionic-nonionic detergent active compound, and about 0.05% to about 20% by weight of an alkyl phosphoric acid having the general formula: ##STR2## where A is --OH or R 2 O, n is 0 and R 1 and R 2 are the same or different C 16-22 straight or branched chain, saturated or unsaturated alkyl groups, or a salt thereof, and about 0.05% to about 20% by weight of a solid hydrocarbon wax of mineral origin which melts at a temperature of about 20° C. to about 90° C.
Claim 3
Dependent Claim 22 words
A detergent composition for fabric washing in water according to claim 1, comprising a polyvalent metal salt of the alkyl phosphoric acid.
Claim 4
Dependent Claim 24 words
A detergent composition for fabric washing in water according to claim 1 comprising an alkali metal or ammonium salt of the alkali phosphoric acid.
Claim 5
Dependent Claim 16 words
A detergent composition for fabric washing in water according to claim 1 wherein A is --OH.
Claim 6
Dependent Claim 25 words
A detergent composition for fabric washing in water according to claim 1 wherein R 1 and R 2 are C 16-18 linear saturated alkyl groups.
Claim 7
Dependent Claim 29 words
A detergent composition for fabric washing in water according to claim 1 comprising about 0.1% to about 5% by weight of the alkyl phosphoric acid or polyvalent salt thereof.
Claim 8
Dependent Claim 33 words
A detergent composition for fabric washing in water according to claim 1 wherein the solid hydrocarbon wax is of mineral origin having a melting point between about 30° C. to about 70° C.
Claim 9
Dependent Claim 31 words
A detergent composition for fabric washing in water according to claim 1 wherein the amount of the solid hydrocarbon wax is about 0.5% to about 5% by weight of the composition.
Claim 10
Dependent Claim 36 words
A detergent composition for fabric washing in water according to claim 1 wherein the ratio of the alkyl phosphoric acid or salt thereof to the hydrocarbon wax is about 1:20 to about 10:1 parts by weight.
Claim 11
Dependent Claim 32 words
A detergent composition for fabric washing in water according to claim 1 wherein the alkyl phosphoric acid or salt thereof and the hydrocarbon wax are in substantially homogeneous admixture in the composition.
Claim 12
Dependent Claim 25 words
A detergent composition for fabric washing in water according to claim 1 comprising about 5% to about 50% by weight of an anionic detergent compound.
Claim 13
Dependent Claim 27 words
A detergent composition for fabric washing in water according to claim 1 comprising about 5% to about 80% by weight of an organic or inorganic detergency builder.
Claim 14
Dependent Claim 112 words
A detergent additive for use in a detergent composition for fabric washing in water according to claim 1 which comprises in substantially homogeneous admixture an alkyl phosphoric acid having the general formula: ##STR3## wherein A is --OH or R 2 O, and n is O and R 1 and R 2 are the same or different C 16-22 straight or branched chain, saturated or unsaturated alkyl groups, or a salt thereof, and a solid hydrocarbon wax which melts at a temperature of about 20° C. to about 90° C., the ratio of the alkyl phosphoric acid or salt thereof to the hydrocarbon wax being about 1:20 to about 10:1 parts by weight.
Claim 15
Dependent Claim 27 words
A detergent additive according to claim 13 wherein the hydrocarbon wax is of mineral origin having a melting point between about 30° C. and about 70° C.
Claim 16
Dependent Claim 31 words
A detergent additive according to claim 13 wherein the ratio of the alkyl phosphoric acid or salt thereof to the hydrocarbon wax is about 1:10 to about 1:1 parts by weight.
Claim 17
Dependent Claim 16 words
A detergent additive according to claim 13 comprising a calcium salt of the alkyl phosphoric acid.
Claim 18
Dependent Claim 11 words
A detergent additive according to claim 13 wherein A is --OH.
Claim 19
Dependent Claim 20 words
A detergent additive according to claim 13 wherein R 1 and R 2 are C 16-18 linear saturated alkyl groups.
Claim 20
Dependent Claim 34 words
A process for forming a detergent composition for fabric washing in water comprising forming a detergent additive according to claim 13 and admixing the additive with an anionic or mixed anionic-nonionic detergent active compound.
Claim 21
Dependent Claim 22 words
A process according to claim 19, wherein the detergent additive is sprayed onto a detergent base powder comprising the detergent active compound.
Claim 22
Dependent Claim 27 words
A process according to claim 19, wherein the detergent additive is in granular form and is admixed with a detergent base powder comprising the detergent active compound.

References Cited (Backward Citations)

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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) 1987-08-14 1988-02-13 1988-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-08-14 1992-02-13 1992-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-08-14 1996-02-13 1996-08-14 $7700.00 Window Closed / Lapsed

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