Patent US4039897A successfully refreshed from Google Patents.
US4465619A
Expired / Lapsed
US
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Built liquid detergent compositions
Assignee: Lever Brothers Co
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Filing: 1982-11-02
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Granted: 1984-08-14
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Expires: 2002-11-02
Abstract
Abstract The invention relates to aqueous, built liquid detergent compositions. The inclusion therein of a polysaccharide hydrocolloid as stabilizing agent may give rise to an unacceptable increase in viscosity or gelation. By using as detergent active material a particular mixture of an anionic and a nonionic detergent material, such increase in viscosity or such gelation is prevented. The composition is particularly suitable for inclusion therein of enzymes and an enzyme stabilizing system, such as a mixture of glycerol and sodium sulphite.
Inventors
- 👤 Jelles V. Boskamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:34
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/226; C11D1/00; C11D1/66; C11D1/83; C11D3/38; C11D3/386; C11D3/38618; C11D3/38663; C11D1/02; C11D1/12; C11D1/22; C11D1/72
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
88 words
A method for stabilizing aqueous built liquid detergent compositions comprising adding from about 0.1 to 0.3% by weight of a polysaccharide hydrocolloid selected from the group consisting of xanthan gum, guar gum, locust bean gum, tragacanth gum and derivatives thereof, to a composition comprising, in an aqueous medium, from 5 to 32% of builder salt and from 5 to 25% by weight of a mixture of an anionic and a nonionic detergent material, the weight ratio between the anionic and nonionic detergent materials lying between 85:15 and 50:50.
Claim 2
Independent Claim
88 words
A method for stabilizing aqueous built liquid detergent compositions comprising adding from about 0.1 to 0.3% by weight of a polysaccharide hydrocolloid selected from the group consisting of xanthan gum, guar gum, locust bean gum, tragacanth gum and derivatives thereof, to a composition comprising, in an aqueous medium, from 5 to 32% of builder salt and from 5 to 25% by weight of a mixture of an anionic and a nonionic detergent material, the weight ratio between the anionic and nonionic detergent materials lying between 85:15 and 50:50.
Claim 3
Dependent Claim
15 words
The method of claim 1 wherein the xanthan gum is a partially acetylated xanthan gum.
Claim 4
Dependent Claim
15 words
The method of claim 1 further comprising from 0.001 to 10% by weight of enzymes.
Claim 5
Dependent Claim
20 words
A method according to claim 3, further comprising 1-10% by weight of glycerol and 5-10% by weight of sodium sulphite.
References Cited (Backward Citations)
US2994665A
Cited
US3254028A
Cited
US3741805A
Cited
GB1357323A
Cited
US3694364A
Cited
US4169817A
Cited
GB2021142A
Cited
US4260528A
Cited
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 |