Patent US4465613A successfully refreshed from Google Patents.
US4465613A
Expired / Lapsed
US
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Alkyl phosphoric salt-hydrocarbon wax lather controlled detergent compositions
Assignee: Lever Brothers Co
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Filing: 1980-11-07
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Granted: 1984-08-14
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Expires: 2000-11-07
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.
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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 |