EP0359618A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
2-Substituted para-aminophenols and their use in the coloration of keratinic fibres
Assignee: L'Oréal SA
•
Filing: 1989-08-31
•
Granted: —
•
Expires: 2009-08-31
Abstract
Abstract 2-substituted para-aminophenols of the general formula <IMAGE> where Y denotes oxygen or sulphur and R denotes a C1-C6 alkyl, hydroxyalkyl or halogenoalkyl or a C2-C6 polyhydroxyalkyl, with the proviso that if Y = O, R is not methyl or ethyl and if Y = S, R is not ethyl; and a dyeing composition containing one or more compounds of the formula (I), where Y denotes an oxygen or sulphur atom and R is C1-C6 alkyl, hydroxyalkyl or halogenoalkyl or C2-C6 polyhydroxyalkyl.
Inventors
- 👤 Alex Junino
- 👤 Gérard Lang
- 👤 Alain Genet
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 12:24
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/415; A61Q; A61Q5/00; A61Q5/10; C; C07; C07C; C07C217/00; C07C217/76; C07C323/00; C07C323/23; C07C323/24; C07C323/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.