US3853464A
Expired / Lapsed
US
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Human hair dyeing compositions containing diphenylamines
Assignee: L'Oréal SA
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Filing: 1972-07-11
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Granted: 1974-12-10
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Expires: 1992-07-11
Abstract
Abstract Hair dye and hair-setting lotion compositions contain a diphenylamine of the formula WHEREIN Z represents amino, acylamino or hydroxy, R1, R2 and R3 represent hydrogen or lower alkyl, R4 represents hydrogen, lower alkyl or together with R1 and the nitrogen atom to which R4 is attached form a dihydro-oxazine or pyrroline heterocycle and R5 represents hydrogen, lower alkyl or together with R2 and the nitrogen atom to which R5 is attached form a dihydro-oxazine or pyrroline heterocycle and the acid salts of said diphenylamine.
Inventors
- 👤 G Kalopissis
- 👤 A Bugaut
- 👤 F Estradier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:53
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/40; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/413; A61Q; A61Q5/00; A61Q5/10; C09; C09B; C09B53/00; C09B53/02
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
45 words
A DYE COMPOSITION FOR HUMAN HAIR, COMPRISING A SOLUTION IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATERAND AN AQUEOUS LOWER ALKANOL SOLUTION OF 0.002 TO 2% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) A DIPHENYLAMINE OF THE FORMULA
Claim 2
Dependent Claim
45 words
A DYE COMPOSITION FOR HUMAN HAIR, COMPRISING A SOLUTION IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF WATERAND AN AQUEOUS LOWER ALKANOL SOLUTION OF 0.002 TO 2% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) A DIPHENYLAMINE OF THE FORMULA
Claim 3
Dependent Claim
27 words
The composition of claim 1, wherein said diphenylamine is the salt of an acid selected from the group consisting of oxalic acid, hydrochloric acid and tartaric acid.
Claim 4
Dependent Claim
23 words
The composition of claim 1 which also includes another dye selected from the group consisting of another oxidation dye and a direct dye.
Claim 5
Dependent Claim
29 words
The composition of claim 3, wherein said another dye is selected from the group consisting of ortho- and paraphenylenediamine, ortho- and paraaminophenol, and other indoaniline, indamine and indophenol leucoderivatives.
Claim 6
Dependent Claim
29 words
The composition of claim 3 which also includes a dye selected from the group consisting of nitro dye of the benzene series, azo dye, anthraquinone dye, oxazine and azines.
Claim 7
Dependent Claim
22 words
The composition of claim 1 which also includes a glycol in amounts of about 1 to 6% by weight of the total.
Claim 8
Dependent Claim
18 words
The composition of claim 6, wherein said glycol is selected from the group consisting of propyleneglycol and butylglycol.
Claim 9
Dependent Claim
34 words
The composition of claim 1 wherein said solvent is an aqueous lower alkanol solution wherein the low molecular weight alkanol is present in amounts of about 20 to 70% by weight of the total.
Claim 10
Dependent Claim
18 words
The composition of claim 8, wherein said alkanol is selected from the group consisting of ethanol and isopropanol.
Claim 11
Dependent Claim
23 words
The composition of claim 8 which also includes a cosmetic resin in amounts of about 1 to 3% by weight of the total.
Claim 12
Dependent Claim
32 words
The composition of claim 10, wherein said cosmetic resin is selected from the group consisting of polyvinylpyrrolidone, copolymer of crotonic acid-vinyl acetate, copolymer of vinylpyrrolidone-vinyl acetate and copolymer of maleic anhydride-butylvinvyl ether.
Claim 13
Dependent Claim
45 words
A process of dyeing human hair, comprising impregnating said fibers to be dyed with the composition of claim 1, permitting said composition to remain in contact with said fibers for a period ranging from 10 to 30 minutes, rinsing said fibers and drying said fibers.
Claim 14
Dependent Claim
33 words
A process for dyeing and setting human hair, comprising applying to previously washed and rinsed hair the composition of claim 10 and subsequently rolling said hair up on curlers and drying said hair.
Claim 15
Dependent Claim
30 words
The composition of claim 1 wherein the diphenylamine of (a) is selected from the group consisting of 4-hydroxy-2''-amino-4''-N,N-dimethylamino diphenylamine, 4-hydroxy-3'',5''-dimethyl-2'',4''-diamino diphenylamine, N-(7''-(6''-amino-1''-oxa-4''-aza-1'',2'',3'',4''-tetrahydro)-naphthyl)-4-amino phenol, 4-hydroxy-2''-acetylamino-4''-amino diphenylamine, 4-hydroxy-2''-acetylamino-4''-N,N-dimethylamino diphenylamine and 4-hydroxy-2''-acetylamino-4''-amino-5''-methyl diphenylamine.
Claim 16
Dependent Claim
13 words
The composition of claim 14 wherein said diphenylamine of (a) is 4-hydroxy-2''-amino-4''-N,N-dimethylamino diphenylamine.
References Cited (Backward Citations)
US3253980A
Cited
US3119867A
Cited
US3214472A
Cited
US3516778A
Cited
US3274249A
Cited
US3697644A
Cited
US3561913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |