US3953508A
Expired / Lapsed
US
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Diphenylamines for dyeing keratinous fibers
Assignee: L'Oréal SA
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Filing: 1974-01-14
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Granted: 1976-04-27
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Expires: 1994-01-14
Abstract
Abstract Diphenylamines having the formula WHEREIN: Y represents a member selected from the group consisting of a hydroxy and amino, R1 and R3, each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, a ureido residue, and -NHCOR wherein R is lower alkyl, R2 represents a member selected from the group consisting of hydrogen, halogen, lower alkyl, lower alkoxy, a ureido residue, -NHCOR wherein R is lower alkyl, and -NHR8 wherein R8 represents a member selected from the group consisting of hydrogen, lower alkyl, lower hydroxyalkyl and carbamyl lower alkyl, with the proviso that when R2 is -NHR8, R3 is not hydrogen R4, R5, R6, and R7 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso that when Y is hydroxy, R2 is not hydrogen, halogen, lower alkyl or alkoxy and that when Y is amino, at least two of R1, R2 and R3 are other than a hydrogen and R 2 is not hydrogen when R4, R5, R6 and R7 are all hydrogen and the acid addition salts of said diphenylamines.
Inventors
- 👤 Gregoire Kalopissis
- 👤 Andree Bugaut
- 👤 Francoise Estradier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:31
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/413; A61Q; A61Q5/00; A61Q5/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
220 words
Diphenylamine having the formula: ##SPC47## wherein Y represents a member selected from the group consisting of hydroxy and amino; R 1 and R 3 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, and --NHCOR wherein R is lower alkyl; R 2 represents a member selected from the group consisting of hydrogen, halogen, lower alkyl, --NHCOR wherein R is lower alkyl and --NHR 8 wherein R 8 represents a member selected from the group consisting of hydrogen, lower alkyl and carbamyl lower alkyl, with the proviso that when R 2 is --NHR 8 , R 3 is not hydrogen; R 4 , r 5 , r 6 and R 7 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso (1) that when Y is hydroxy, R 2 is not hydrogen, lower alkyl or alkoxy, (2) that when Y is amino at least two of R 1 , R 2 and R 3 are other than hydrogen and R 2 is not hydrogen when R 4 , R 5 , R 6 and R 7 are all hydrogen and (3) that R 1 or R 3 is NHCOR wherein R has the meaning given above or R 8 is carbamyl lower alkyl.
Claim 2
Dependent Claim
220 words
Diphenylamine having the formula: ##SPC47## wherein Y represents a member selected from the group consisting of hydroxy and amino; R 1 and R 3 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl, and --NHCOR wherein R is lower alkyl; R 2 represents a member selected from the group consisting of hydrogen, halogen, lower alkyl, --NHCOR wherein R is lower alkyl and --NHR 8 wherein R 8 represents a member selected from the group consisting of hydrogen, lower alkyl and carbamyl lower alkyl, with the proviso that when R 2 is --NHR 8 , R 3 is not hydrogen; R 4 , r 5 , r 6 and R 7 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso (1) that when Y is hydroxy, R 2 is not hydrogen, lower alkyl or alkoxy, (2) that when Y is amino at least two of R 1 , R 2 and R 3 are other than hydrogen and R 2 is not hydrogen when R 4 , R 5 , R 6 and R 7 are all hydrogen and (3) that R 1 or R 3 is NHCOR wherein R has the meaning given above or R 8 is carbamyl lower alkyl.
Claim 3
Dependent Claim
15 words
The diphenylamines of claim 1 wherein R 2 is --NHCOR wherein R is lower alkyl.
Claim 4
Dependent Claim
26 words
The diphenylamines of claim 2 selected from the group consisting of 2-acetylamino-4-hydroxy-5-methyl-4'-amino-2'-methoxy-5'-methyl diphenylamine, 5,3',5'-trimethyl-4-hydroxy-2-acetylamino-4'-amino diphenylamine, 5-methyl-2-acetylamino-4-hydroxy-2'-methoxy-4'-amino diphenylamine, 2,5-diacetylamino-4,4'-hydroxy-2'-chloro diphenylamine, 3,5-dimethyl-4,4'-dihydroxy-2-acetylamino diphenylamine, 5-methyl-4-hydroxy-2-acetylamino-4'-hydroxy diphenylamine and 5-methyl-4-hydroxy-2-acetylamino-4'-amino diphenylamine.
Claim 5
Dependent Claim
9 words
The diphenylamine of claim 3 which is 2-acetylamino-4-hydroxy-5-methyl-4'-amino-2'-methoxy-5'-methyl diphenylamine.
Claim 6
Dependent Claim
191 words
Diphenylamine having the formula ##SPC48## wherein Y represents a member selected from the group consisting of hydroxy and amino; R 1 and R 3 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and --NHCOR wherein R is lower alkyl; R 2 is selected from the group consisting of halogen, --NHCOR wherein R is lower alkyl and --NHR 8 wherein R 8 is selected from the group consisting of hydrogen, lower alkyl and carbamyl lower alkyl with the proviso that (1) when R 8 is hydrogen one of R 1 , R 3 and R 4 -R 7 is halogen and (2) when R 2 is --NHR 8 , R 3 is not hydrogen; R 4 , r 5 , r 6 and R 7 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso that (1) when Y is hydroxy, R 2 is not halogen, and (2) when Y is amino, at least one of R 1 and R 3 is other than hydrogen; and the acid addition salt of said diphenylamine.
Claim 7
Dependent Claim
191 words
Diphenylamine having the formula ##SPC48## wherein Y represents a member selected from the group consisting of hydroxy and amino; R 1 and R 3 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and --NHCOR wherein R is lower alkyl; R 2 is selected from the group consisting of halogen, --NHCOR wherein R is lower alkyl and --NHR 8 wherein R 8 is selected from the group consisting of hydrogen, lower alkyl and carbamyl lower alkyl with the proviso that (1) when R 8 is hydrogen one of R 1 , R 3 and R 4 -R 7 is halogen and (2) when R 2 is --NHR 8 , R 3 is not hydrogen; R 4 , r 5 , r 6 and R 7 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso that (1) when Y is hydroxy, R 2 is not halogen, and (2) when Y is amino, at least one of R 1 and R 3 is other than hydrogen; and the acid addition salt of said diphenylamine.
Claim 8
Dependent Claim
169 words
Diphenylamine having the formula ##SPC49## wherein Y represents a member selected from the group consisting of hydroxy and amino; R 1 and R 3 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and --NHCOR wherein R is lower alkyl; R 2 is selected from the group consisting of halogen, --NHCOR wherein R is lower alkyl and --NHR 8 wherein R 8 is selected from the group consisting of lower alkyl and carbamyl lower alkyl, with the proviso that when R 2 is --NHR 8 , R 3 is not hydrogen; R 4 , r 5 , r 6 and R 7 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso that (1) when Y is hydroxy, R 2 is not halogen, and (2) when Y is amino, at least one of R 1 and R 3 is other than hydrogen; and the acid addition salt of said diphenylamine.
Claim 9
Dependent Claim
169 words
Diphenylamine having the formula ##SPC49## wherein Y represents a member selected from the group consisting of hydroxy and amino; R 1 and R 3 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and --NHCOR wherein R is lower alkyl; R 2 is selected from the group consisting of halogen, --NHCOR wherein R is lower alkyl and --NHR 8 wherein R 8 is selected from the group consisting of lower alkyl and carbamyl lower alkyl, with the proviso that when R 2 is --NHR 8 , R 3 is not hydrogen; R 4 , r 5 , r 6 and R 7 , each independently, represent a member selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy, with the proviso that (1) when Y is hydroxy, R 2 is not halogen, and (2) when Y is amino, at least one of R 1 and R 3 is other than hydrogen; and the acid addition salt of said diphenylamine.
References Cited (Backward Citations)
US3660486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-27 | 1979-10-27 | 1980-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-27 | 1983-10-27 | 1984-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-27 | 1987-10-27 | 1988-04-27 | $7700.00 | Window Closed / Lapsed |