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:
Jul. 12, 1977
Filed:
Nov. 19, 1975
Applicant:
Inventors:
Gregoire Kalopissis, Neuilly-sur-Seine, FR;
Andree Bugaut, Boulogne-sur-Seine, FR;
Hubert Gaston-Breton, Tokyo, JA;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2605 / ; 2605 / ; 260573 ; 260574 ;
Abstract
Oxidation dye coupling compound, for use in dyeing live human hair, having the formula: ##STR1## wherein R is lower alkyl having 1-6 carbon atoms, hydroxyalkyl having 1-6 carbon atoms, acetyl, propionyl, amino alkyl wherein the alkyl moiety has 1-6 carbon atoms, N-dialkylated amino alkyl wherein each of the alkyl moieties has 1-6 carbon atoms and carbamyl methyl.