Patent US4362642A successfully refreshed from Google Patents.
US4362642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl phosphoric acid polyvalent salts-mineral oil lather controlled detergent compositions
Assignee: Lever Brothers Co
•
Filing: 1981-07-07
•
Granted: 1982-12-07
•
Expires: 2001-07-07
Abstract
Abstract An insoluble polyvalent salt of a C12-C24 mono- or di-alkyl phosphoric acid is used as a lather controller in detergent compositions. The use of this material as lather controller is especially beneficial in built fabric washing detergent compositions.
Inventors
- 👤 Malcolm N. A. Carter
- 👤 Peter R. Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/362; C11D1/00; C11D1/02; C11D1/34; C11D1/345; C11D3/0005; C11D3/0026; C11D3/18; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
95 words
A solid detergent composition for fabric washing in water comprising about 1% to about 90% by weight of an anionic, nonionic, amphoteric or zwitterionic detergent active compound and about 0.05% to about 20% by weight of a polyvalent salt 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, and containing about 0.05% to about 20% by weight of a mineral oil.
Claim 2
Dependent Claim
95 words
A solid detergent composition for fabric washing in water comprising about 1% to about 90% by weight of an anionic, nonionic, amphoteric or zwitterionic detergent active compound and about 0.05% to about 20% by weight of a polyvalent salt 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, and containing about 0.05% to about 20% by weight of a mineral oil.
Claim 3
Dependent Claim
21 words
A solid detergent composition for fabric washing in water according to claim 1 wherein the polyvalent salt is a calcium salt.
Claim 4
Dependent Claim
17 words
A solid detergent composition for fabric washing in water according to claim 1 wherein A is --OH.
Claim 5
Dependent Claim
26 words
A solid 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 6
Dependent Claim
30 words
A solid detergent composition for fabric washing in water according to claim 1 wherein the polyvalent salt of an alkyl phosphoric acid is present in about 0.1% to about 5%.
Claim 7
Dependent Claim
30 words
A solid detergent composition for fabric washing in water according to claim 1 wherein the mineral oil is present in about 0.5% to about 5% by weight of the composition.
Claim 8
Dependent Claim
38 words
A solid detergent composition for fabric washing in water according to claim 1 wherein the ratio of the polyvalent salt of an alkyl phosphoric acid to the mineral oil is about 1:20 to about 10:1 parts by weight.
Claim 9
Dependent Claim
34 words
A solid detergent composition for fabric washing in water according to claim 1 wherein the polyvalent salt of an alkyl phosphoric acid and the mineral oil are in substantially homogeneous admixture in the composition.
Claim 10
Dependent Claim
26 words
A solid 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 11
Dependent Claim
28 words
A solid 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 12
Dependent Claim
95 words
A lather control detergent additive for use in solid detergent compositions for aqueous fabric washing which comprises in substantially homogeneous admixture a polyvalent salt of an alkyl phosphoric acid having the general formula: ##STR3## where A is --OH or R 2 O, and 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, and mineral oil, the ratio of the polyvalent salt of an alkyl phosphoric acid to the mineral oil being about 1:20 to about 10:1 parts by weight.
Claim 13
Dependent Claim
95 words
A lather control detergent additive for use in solid detergent compositions for aqueous fabric washing which comprises in substantially homogeneous admixture a polyvalent salt of an alkyl phosphoric acid having the general formula: ##STR3## where A is --OH or R 2 O, and 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, and mineral oil, the ratio of the polyvalent salt of an alkyl phosphoric acid to the mineral oil being about 1:20 to about 10:1 parts by weight.
Claim 14
Dependent Claim
34 words
A lather control detergent additive according to claim 11 wherein the ratio of the polyvalent salt of an alkyl phosphoric acid to the mineral oil is about 1:10 to about 1:1 parts by weight.
Claim 15
Dependent Claim
22 words
A lather control detergent additive according to claim 11 wherein the polyvalent salt of an alkyl phosphoric acid is a calcium salt.
Claim 16
Dependent Claim
13 words
A lather control detergent additive according to claim 11 wherein A is --OH.
Claim 17
Dependent Claim
22 words
A lather control detergent additive according to claim 11 wherein R 1 and R 2 are C 16-18 linear saturated alkyl groups.
Claim 18
Dependent Claim
42 words
A process for forming a solid detergent composition for fabric washing in water according to claim 28, comprising forming a lather control detergent additive according to claim 11 and admixing the additive with an anionic, nonionic, zwitterionic or amphoteric detergent active compound.
Claim 19
Dependent Claim
24 words
A process according to claim 16 wherein the lather control detergent additive is sprayed onto a detergent base powder comprising the detergent active compound.
Claim 20
Dependent Claim
29 words
A process according to claim 16 wherein the lather control detergent additive is in granular form and is admixed with a detergent base powder comprising the detergent active compound.
References Cited (Backward Citations)
GB912494A
Cited
GB1058239A
Cited
US3314891A
Cited
US3523902A
Cited
US3399144A
Cited
GB1300829A
Cited
US3869412A
Cited
US3562168A
Cited
US3770855A
Cited
US3738943A
Cited
US3957661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-06 | 1986-06-07 | 1986-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-06 | 1990-06-07 | 1990-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-06 | 1994-06-07 | 1994-12-07 | $7700.00 | Window Closed / Lapsed |