US4089945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antidandruff shampoos containing metallic cation complex to reduce in-use sulfide odor
Assignee: Procter and Gamble Co
•
Filing: 1977-01-06
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Granted: 1978-05-16
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Expires: 1997-01-06
Abstract
Abstract An antidandruff shampoo comprising a surfactant, sulfur or selenium sulfide and a metallic complex wherein the cation of said complex is an ion of a heavy metal and the complexing agent is selected so that the complex can effectively counteract the formation of sulfide off odors.
Inventors
- 👤 Richard Edward Brinkman
- 👤 Robert Loren Vogenthaler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:46
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/006; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/23; A61K8/30; A61K8/40; A61K8/44; A61Q5/02; A61K2800/00; A61K2800/40; A61K2800/58
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
100 words
A shampoo composition comprising in an aqueous carrier: (A) from about 10% to about 50% of a surfactant; (B) from about 1% to about 15% of an antidandruff agent selected from the group consisting of elemental sulfur and selenium sulfide; and (C) from about 0.1% to about 1% of a complex of a metallic cation wherein the metal is selected from the group consisting of arsenic, mercury, copper, tin, bismuth, antimony, cadmium, lead, silver and gold and the complexing agent is selected from the group consisting of amino-N-polycarboxylic acids, amino-N-carboxylic acids, polyamino-N-carboxylic acids, polycarboxylic acids, polyhydric monocarboxylic acids and polyamines.
Claim 2
Dependent Claim
100 words
A shampoo composition comprising in an aqueous carrier: (A) from about 10% to about 50% of a surfactant; (B) from about 1% to about 15% of an antidandruff agent selected from the group consisting of elemental sulfur and selenium sulfide; and (C) from about 0.1% to about 1% of a complex of a metallic cation wherein the metal is selected from the group consisting of arsenic, mercury, copper, tin, bismuth, antimony, cadmium, lead, silver and gold and the complexing agent is selected from the group consisting of amino-N-polycarboxylic acids, amino-N-carboxylic acids, polyamino-N-carboxylic acids, polycarboxylic acids, polyhydric monocarboxylic acids and polyamines.
Claim 3
Dependent Claim
36 words
The shampoo composition of claim 1 wherein component (B) is present at a level of from about 2% to about 6% and component (C) is present at a level of from about 0.2% to about 0.75%.
Claim 4
Dependent Claim
25 words
The shampoo composition of claim 2 wherein component (A) is selected from the group consisting of anionic, nonionic, amphoteric, zwitterionic surfactants and mixtures of these.
Claim 5
Dependent Claim
17 words
The shampoo composition of claim 3 wherein the metallic cation of component C is a copper ion.
Claim 6
Dependent Claim
16 words
The shampoo composition of claim 4 wherein the pH is from about 4 to about 6.
Claim 7
Dependent Claim
36 words
The shampoo composition of claim 5 wherein component (C) is a complex of copper and a complexing agent selected from the group consisting of amino-N-polycarboxylic acids, amino-N-carboxylic acids, polyamino-N-polycarboxylic acids, polycarboxylic acids and polyhydric monocarboxylic acids.
Claim 8
Dependent Claim
16 words
The shampoo composition of claim 6 wherein component (C) is a copper complex of ethylenediaminetetraacetic acid.
Claim 9
Dependent Claim
16 words
The shampoo composition of claim 6 wherein component (C) is a copper complex of citric acid.
Claim 10
Dependent Claim
16 words
The shampoo composition of claim 6 wherein component (C) is a copper complex of gluconic acid.
Claim 11
Dependent Claim
15 words
The shampoo composition of claim 6 wherein component (C) is a copper complex of glycine.
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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) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |