US4529404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dye preparation
Assignee: P&G Hair Care Holding Inc
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Filing: 1982-08-30
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Granted: 1985-07-16
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Expires: 2002-08-30
Abstract
Abstract An autoxidizable hair dye preparation is disclosed capable of coloring or darkening hair when applied thereto and exposed to the atmosphere comprising a mixture of (I) at least one p-phenylene diamine compound, or an acid addition salt thereof, and (II) at least one 1,2,4-benzenetriol compound, each compound optionally containing nuclearly substituted C 1-4 alkyl, alkoxy, hydroxyalkyl or halogen. The preparation is preferably applied and exposed to the atmosphere repeatedly until the desired degree of darkening or color build-up is attained.
Inventors
- 👤 Raymond Feinland
- 👤 Sigmund Iscowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:25
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/347; A61K8/40; A61K8/41; A61K8/411; A61Q; A61Q5/00; A61Q5/10
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
129 words
An anaerobic autoxidizing preparation adapted to color or darken hair to form medium to dark shades when applied to hair without the use of any oxidizer other than exposure to the atmosphere, essentially consisting of an aqueous carrier, and (I) at least one aryldiamine of the formula ##STR1## or an acid addition salt thereof, and (II) at least one 4-hydroxy catechol compound of the formula ##STR2## wherein R 1 and R are independently of each other hydrogen, halogen, or a C 1-4 alkyl, C.sub. 1-4 alkoxy, or C 1-4 hydroxyalkyl residue, the ratio of said compound I to said compound II being in the range of from about 1:8 to 4:1, compound I and compound II together comprising from about 0.04% to about 8% by weight of said composition.
Claim 2
Dependent Claim
129 words
An anaerobic autoxidizing preparation adapted to color or darken hair to form medium to dark shades when applied to hair without the use of any oxidizer other than exposure to the atmosphere, essentially consisting of an aqueous carrier, and (I) at least one aryldiamine of the formula ##STR1## or an acid addition salt thereof, and (II) at least one 4-hydroxy catechol compound of the formula ##STR2## wherein R 1 and R are independently of each other hydrogen, halogen, or a C 1-4 alkyl, C.sub. 1-4 alkoxy, or C 1-4 hydroxyalkyl residue, the ratio of said compound I to said compound II being in the range of from about 1:8 to 4:1, compound I and compound II together comprising from about 0.04% to about 8% by weight of said composition.
Claim 3
Dependent Claim
12 words
A preparation according to claim 1 wherein R is in the 5-position.
Claim 4
Dependent Claim
16 words
A preparation according to claim 1 wherein R 1 and R are individually hydrogen or methyl.
Claim 5
Dependent Claim
14 words
A preparation according to claim 1 wherein R 1 and R are each hydrogen.
Claim 6
Dependent Claim
18 words
A preparation according to claim 1 wherein R 1 is hydrogen and R is methyl in the 5-position.
Claim 7
Dependent Claim
15 words
A preparation according to claim 1 wherein R 1 is methyl and R is hydrogen.
Claim 8
Dependent Claim
18 words
A preparation according to claim 1 wherein R 1 is methyl and R is methyl in the 5-position.
Claim 9
Dependent Claim
25 words
A preparation according to claim 1 wherein said mixture of (I) and (II) compounds comprises about 0.1 to about 6% by weight of the preparation.
Claim 10
Dependent Claim
22 words
A preparation according to claim 1 containing about 0.02 to about 1.0% by weight of each of said compounds (I) and (II).
Claim 11
Dependent Claim
13 words
A preparation according to claim 1 in the form of an aqueous solution.
Claim 12
Dependent Claim
18 words
A preparation according to claim 1 in the form of an aerosol composition also containing a propellant system.
Claim 13
Dependent Claim
12 words
A preparation according to claim 1 also including a hair grooming agent.
Claim 14
Dependent Claim
20 words
A method of coloring hair comprising applying to the hair an effective amount of a preparation according to claim 1.
Claim 15
Dependent Claim
42 words
A method according to claim 13 wherein the preparation is applied to the hair at multiple spaced intervals of time and permitted to be exposed to the atmosphere after each application whereby a gradual build-up of color is developed in said hair.
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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) | 1988-07-15 | 1989-01-14 | 1989-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-15 | 1993-01-14 | 1993-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-15 | 1997-01-14 | 1997-07-16 | $7700.00 | Window Closed / Lapsed |