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US4927563A
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Antidandruff shampoo compositions containing a magnesium aluminum silicate-xanthan gum suspension system
Assignee: Procter and Gamble Co
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Filing: 1988-01-26
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Granted: 1990-05-22
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Expires: 2008-01-26
Abstract
Abstract Disclosed are selenium sulfide lotion shampoos containing a mixture of xanthan gum and magnesium aluminum silicate as a suspending system.
Inventors
- 👤 Patrick C. McCall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:46
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/23; A61K8/26; A61K8/72; A61K8/73; A61Q; A61Q5/00; A61Q5/02; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
80 words
A lotion shampoo composition comprising: (a) from about 10% to about 30% of a synthetic surfactant selected from the group consisting of anionic surfactant, zwitherionic surfactants, amphoteric surfactants and mixtures thereof; (b) from about 0.1% to about 5.0% of selenium sulfide having an average particle size of less than about 25 μm; (c) from about 0.02% to about 0.40% of a xanthan gum; (d) from about 0.5% to about 2.0% of a magnesium aluminum silicate; and (e) the remainder water.
Claim 2
Dependent Claim
80 words
A lotion shampoo composition comprising: (a) from about 10% to about 30% of a synthetic surfactant selected from the group consisting of anionic surfactant, zwitherionic surfactants, amphoteric surfactants and mixtures thereof; (b) from about 0.1% to about 5.0% of selenium sulfide having an average particle size of less than about 25 μm; (c) from about 0.02% to about 0.40% of a xanthan gum; (d) from about 0.5% to about 2.0% of a magnesium aluminum silicate; and (e) the remainder water.
Claim 3
Dependent Claim
12 words
A shampoo composition according to claim 1 wherein the surfactant is anionic.
Claim 4
Dependent Claim
26 words
A shampoo composition according to claim 2 wherein the anionic surfactant is selected from the group consisting of alkyl sulfate, ethoxylated alkyl sulfates and mixtures thereof.
Claim 5
Dependent Claim
24 words
A shampoo composition according to claim 2 which in addition contains a nonvolatile silicone at a level of from about 0.1% to about 10%.
Claim 6
Dependent Claim
23 words
A shampoo compositions according to claim 3 which in addition contains an amide at a level of from about 1% to about 10%.
Claim 7
Dependent Claim
20 words
A shampoo composition according to claim 4 wherein the nonvolatile silicone is a mixture of silicone fluids and silicone gums.
Claim 8
Dependent Claim
42 words
A method of shampooing hair comprising applying to hair that has been wet with water from about 0.10 g to about 10 g of a composition according to claim 1, working the composition through the hair and rinsing it from the hair.
References Cited (Backward Citations)
GB1051268A
Cited
US4089945A
Cited
US4470982A
Cited
US4364837A
Cited
US4603046A
Cited
US4728457A
Cited
US4803774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-21 | 1993-11-20 | 1994-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-21 | 1997-11-20 | 1998-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-21 | 2001-11-20 | 2002-05-22 | $7700.00 | Window Closed / Lapsed |