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:
Sep. 08, 1981
Filed:
Nov. 12, 1976
Applicant:
Inventors:
Gregoire Kalopissis, Neuilly-sur-Seine, FR;
Andree Bugaut, Boulogne-sur-Seine, FR;
Francoise Estradier, Paris, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; D06P / ;
U.S. Cl.
CPC ...
564194 ; 8410 ; 2603 / ; 564 50 ; 564112 ; 564434 ; 564442 ; 564443 ;
Abstract
Diphenylamine of the formula ##STR1## wherein R.sub.1 and R.sub.4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, amino, lower alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, acylamino, lower carbamylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower hydroxyalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower carbalkoxy amino wherein the alkoxy moiety has 1-6 carbon atoms and ureido;