The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1987
Filed:
Jul. 14, 1986
Andree Bugaut, Boulogne, FR;
Alex M Junino, Aulnay, FR;
L'Oreal, Paris, FR;
Abstract
New indolaniline and indophenol compounds of formula (I): ##STR1## wherein Z represents a monohydroxylated or polyhydroxylated hydrocarbon radical, of 1 to 6 carbon atoms, or an aminoalkyl radical of formula ##STR2## wherein n is an integer from 1 to 6 and R.sub.1 and R.sub.2, which are identical or different, represent a hydrogen atom or an alkyl, hydroxyalkyl or acyl radical of 1 to 4 carbon atoms; R represents a hydrogen atom or an alkyl, hydroxyalkyl, polyhydroxyalkyl, monocarbamylalkyl, dicarbamylalkyl, aminoalkyl, acyl, alkoxycarbonyl, carbamyl or monoalkylcarbamyl radical of 1 to 6 carbon atoms; R'.sub.1, R'.sub.2, R'.sub.3 and R'.sub.4, which are identical or different, represent a hydrogen atom, a halogen atom or an alkyl, hydroxyalkyl, alkoxy or hydroxyalkoxy radical, of 1 to 6 carbon atoms; and Y represents OH or NR'.sub.5 R'.sub.6, wherein R'.sub.5 and R'.sub.6, which are identical or different, represent a hydrogen atom or an alkyl, monohydroxyalkyl, polyhydroxyalkyl, carbamylalkyl, mesylaminoalkyl or methoxy alkyl radical of 1 to 6 carbon atoms are disclosed, together with a process for their preparation, hair-dyeing compositions containing them and a hair dyeing process.