US4854333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable antidandruff shampoo compositions
Assignee: Procter and Gamble Co
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Filing: 1988-12-20
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Granted: 1989-08-08
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Expires: 2008-12-20
Abstract
Abstract Disclosed are selenium sulfide lotion shampoos containing peroxy oxidizing agents, such as hydrogen peroxide and sodium percarbonate. These compositions provide antidandruff efficacy and do not become discolored upon storage. A method for preparing color-stable selenium sulfide shampoo compositions is also taught.
Inventors
- 👤 Everett Inman
- 👤 Nancy J. Roberts
- 👤 Prem S. Juneja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:35
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/006; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/23; A61Q5/02; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
59 words
A lotion dandruff shampoo composition comprising: (a) from about 10% to about 30% of a synthetic surfactant; (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 0.005% to about 0.9% of a peroxy oxidizing agent; and (d) from about 20% to about 84% water.
Claim 2
Dependent Claim
59 words
A lotion dandruff shampoo composition comprising: (a) from about 10% to about 30% of a synthetic surfactant; (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 0.005% to about 0.9% of a peroxy oxidizing agent; and (d) from about 20% to about 84% water.
Claim 3
Dependent Claim
26 words
A shampoo composition according to claim 1 wherein the surfactant is selected from the group consisting of anionic surfactants, zwitterionic surfactants, amphoteric surfactants, and mixtures thereof.
Claim 4
Dependent Claim
30 words
A shampoo composition according to claim 2 wherein the peroxy oxidizing agent is selected from the group consisting of hydrogen peroxide, sodium percarbonate, sodium perborate, perbenzoic acid, and mixtures thereof.
Claim 5
Dependent Claim
12 words
A shampoo composition according to claim 3 wherein the surfactant is anionic.
Claim 6
Dependent Claim
26 words
A shampoo composition according to claim 4 wherein the anionic surfactant is selected from the group consisting of alkyl sulfates, ethoxylated alkyl sulfates, and mixtures thereof.
Claim 7
Dependent Claim
19 words
A shampoo composition according to claim 5 comprising from about 0.6% to about 2.5% of the selenium sulfide component.
Claim 8
Dependent Claim
15 words
A shampoo composition according to claim 6 wherein the peroxy oxidizing agent is hydrogen peroxide.
Claim 9
Dependent Claim
17 words
A shampoo composition according to claim 7 comprising from about 0.005% to about 0.2% of hydrogen peroxide.
Claim 10
Dependent Claim
17 words
A shampoo composition according to claim 8 comprising from about 0.009% to about 0.15% of hydrogen peroxide.
Claim 11
Dependent Claim
15 words
A shampoo composition according to claim 6 wherein the peroxy oxidizing agent is sodium percarbonate.
Claim 12
Dependent Claim
17 words
A shampoo composition according to claim 10 comprising from about 0.01% to about 0.8% of sodium percarbonate.
Claim 13
Dependent Claim
39 words
A shampoo composition according to claim 5 which additionally comprises from about 0.001% to about 0.1% of a nonionic polymer selected from the group consisting of hydroxypropyl methyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, and mixture thereof.
Claim 14
Dependent Claim
20 words
A shampoo composition according to claim 5 which additionally comprises from about 0.1% to about 10% of a nonvolatile silicone.
Claim 15
Dependent Claim
20 words
A shampoo composition according to claim 13 wherein the nonvolatile silicone is a mixture of silicone fluids and silicone gums.
Claim 16
Dependent Claim
20 words
A shampoo composition according to claim 5 which additionally comprises from about 0.1% to about 5% of a suspending agent.
Claim 17
Dependent Claim
15 words
A shampoo composition according to claim 15 wherein the suspending agent is ethylene glycol distearate.
Claim 18
Dependent Claim
21 words
A shampoo composition according to claim 15 wherein the suspending agent is a mixture of xanthan gum and magnesium aluminum silicate.
Claim 19
Dependent Claim
19 words
A shampoo composition according to claim 5 which additionally comprises from about 1% to about 10% of an amide.
Claim 20
Dependent Claim
42 words
A method of shampooing hair comprising applying to hair that has been wet with water from about 0.1 g to about 10 g of a composition according to claim 1, working the composition through the hair, and rinsing it from the hair.
Claim 21
Dependent Claim
99 words
A process for preparing a color-stable antidandruff shampoo composition comprising the steps of: (a) washing selenium sulfide having an average particle size of less than about 25 μm with an aqueous solution comprising from about 0.1% to about 30% of a peroxy oxidizing agent; (b) separating said aqueous solution from the selenium sulfide; and (c) combining said selenium sulfide with shampoo ingredients to form a shampoo composition comprising: (i) from about 10% to about 30% of a synthetic surfactant; (ii) from about 0.1% to about 5.0% of said selenium sulfide; and (iii) from about 20% to about 84% water.
Claim 22
Dependent Claim
99 words
A process for preparing a color-stable antidandruff shampoo composition comprising the steps of: (a) washing selenium sulfide having an average particle size of less than about 25 μm with an aqueous solution comprising from about 0.1% to about 30% of a peroxy oxidizing agent; (b) separating said aqueous solution from the selenium sulfide; and (c) combining said selenium sulfide with shampoo ingredients to form a shampoo composition comprising: (i) from about 10% to about 30% of a synthetic surfactant; (ii) from about 0.1% to about 5.0% of said selenium sulfide; and (iii) from about 20% to about 84% water.
Claim 23
Dependent Claim
21 words
A process according to claim 20 wherein the aqueous solution additionally comprises from about 0.5% to about 5% of a surfactant.
Claim 24
Dependent Claim
26 words
A process according to claim 21 wherein the surfactant is selected from the group consisting of sodium, potassium, ammonium, and triethanolamine alkyl sulfates, and mixtures thereof.
Claim 25
Dependent Claim
29 words
A process according to claim 21 wherein the peroxy oxidizing agent is selected from the group consisting of hydrogen peroxide, sodium percarbonate, sodium perborate, perbenzoic acid, and mixtures thereof.
Claim 26
Dependent Claim
25 words
A process according to claim 23 wherein the peroxy oxidizing agent is selected from the group consisting of hydrogen peroxide, sodium percarbonate, and mixtures thereof.
Claim 27
Dependent Claim
13 words
The color-stable antidandruff shampoo composition made according to the process of claim 20.
Claim 28
Dependent Claim
13 words
The color-stable antidandruff shampoo composition made according to the process of claim 24.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |