Patent US4173453A successfully refreshed from Google Patents.
US4173453A
Expired / Lapsed
US
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Topical hair coloring formulation in the form of suspension, lotion and cream
Assignee: CDC Research Inc
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Filing: 1978-03-09
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Granted: 1979-11-06
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Expires: 1998-03-09
Abstract
Abstract Hair coloring formulations in the form of suspensions, lotions, or creams based upon a combination of water-soluble copper salts, water-soluble iron salts and finely divided sulfur are described. No toxic lead salts are used. Hair coloring formulations which contain copper cystine or zinc cystine and finely divided sulfur are also described. These formulations are particularly useful for the gradual coloring of gray hair.
Inventors
- 👤 Chyn-Duog Shiah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:39
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/447; A61K8/19; A61Q; A61Q5/00; A61Q5/06; A61Q5/065
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
69 words
A composition for coloring gray hair for topical application which comprises as active coloring agent, a salt selected from the group consisting of copper cystine or zinc cystine in an amount of about 0.1 to 8% by weight of said composition in admixture with sulfur in finely divided form in an amount of about 0.5 to 20% of said composition in an aqueous pharmaceutically acceptable vehicle for topical application.
Claim 2
Dependent Claim
69 words
A composition for coloring gray hair for topical application which comprises as active coloring agent, a salt selected from the group consisting of copper cystine or zinc cystine in an amount of about 0.1 to 8% by weight of said composition in admixture with sulfur in finely divided form in an amount of about 0.5 to 20% of said composition in an aqueous pharmaceutically acceptable vehicle for topical application.
Claim 3
Dependent Claim
10 words
A composition according to claim 1, which contains zinc cystine.
Claim 4
Dependent Claim
19 words
A composition according to claim 1, which contains zinc cystine and furthr comprises another nontoxic water soluble zinc salt.
Claim 5
Dependent Claim
10 words
A composition according to claim 1, which contains copper cystine.
Claim 6
Dependent Claim
36 words
A composition according to claim 1, which contains copper cystine and further comprises at least one salt selected from the group consisting of a water soluble nontoxic iron salt and another water soluble nontoxic copper salt.
Claim 7
Dependent Claim
23 words
A composition in accordance with claim 1, in which said salt is present in an amount of about 0.1 to 1% by weight.
Claim 8
Dependent Claim
33 words
A composition of claim 5, wherein said copper salt is selected from the group consisting of copper acetate, copper sulfate, copper chloride, copper bromide, copper ammonium chloride, copper ammonium citrate, and copper citrate.
Claim 9
Dependent Claim
44 words
A composition of claim 5, wherein said iron salt is selected from the group consisting of iron sulfate, iron chloride, iron bromide, iron citrate, iron tartrate, ferric sodium citrate, ferric potassium citrate, ferric glycerophosphate, ferric ammonium citrate, ferric ammonium tartrate, and ferric ammonium sulfate.
Claim 10
Dependent Claim
23 words
A composition of claim 1, wherein said finely divided sulfur has a particle size with a major dimension of less than 100 microns.
Claim 11
Dependent Claim
27 words
A composition of claim 1, wherein said sulfur is a pharmaceutical sulfur selected from the group consisting of precipitated sulfur, sublimed sulfur, colloidal sulfur and washed sulfur.
Claim 12
Dependent Claim
24 words
A composition of claim 1 wherein said vehicle is selected from the group consisting of a suspension, a lotion, a gel and a cream.
Claim 13
Dependent Claim
74 words
A composition for coloring gray hair which consists of a topical application comprising a combination of at least one water-soluble copper salt in an amount of about 0.1 to 8% by weight, at least one water-soluble iron salt in an amount of about 0.05 to 3% by weight and a finely divided form of sulfur in an amount of about 0.1 to 20% by weight in an aqueous, pharmaceutically acceptable vehicle for topical application.
Claim 14
Dependent Claim
74 words
A composition for coloring gray hair which consists of a topical application comprising a combination of at least one water-soluble copper salt in an amount of about 0.1 to 8% by weight, at least one water-soluble iron salt in an amount of about 0.05 to 3% by weight and a finely divided form of sulfur in an amount of about 0.1 to 20% by weight in an aqueous, pharmaceutically acceptable vehicle for topical application.
Claim 15
Dependent Claim
39 words
A composition as defined in claim 12 which contains about 0.2 to 3% by weight of said copper salt, about 0.1 to 3% by weight of said iron salt and about 0.5 to 20% by weight of said sulfur.
Claim 16
Dependent Claim
15 words
A composition according to claim 12, which contains copper cystine as the principal copper salt.
Claim 17
Dependent Claim
23 words
A composition of claim 12, wherein said iron and copper salts are each present in the range from 0.5 to 3% by weight.
Claim 18
Dependent Claim
45 words
A composition of claim 12, wherein said copper salt is present in the range of about 0.2 to 1%; said iron salt is present in the range of about 0.1 to 1%; and said sulfur is present in the range of about 0.5 to 10%.
Claim 19
Dependent Claim
32 words
A method of coloring gray hair to white and blonde shades which comprises topically applying the composition of claim 2 to said hair periodically in an amount effective to color said hair.
Claim 20
Dependent Claim
33 words
A method of coloring gray hair to black and brunette shades which comprises topically applying the composition of claim 4 to said gray hair periodically in an amount effective to color said hair.
Claim 21
Dependent Claim
34 words
A method of coloring gray hair to black and brunette shades which comprises topically applying of the composition of claim 12 to said gray hair periodically in an amount effective to color said hair.
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) | 1982-11-05 | 1983-05-07 | 1983-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-05 | 1987-05-07 | 1987-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-05 | 1991-05-07 | 1991-11-06 | $7700.00 | Window Closed / Lapsed |