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:
May. 19, 1981
Filed:
Apr. 05, 1979
Applicant:
Inventors:
Jean F Grollier, Paris, FR;
Andree Bugaut, Boulogne-Billancourt, FR;
Patrick Andrillon, Aulnay-sous-Bois, FR;
Chantal Fourcadier, Paris, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
8410 ; 8406 ; 8412 ; 2603 / ; 2603 / ;
Abstract
The invention relates to compositions intended for dyeing keratin fibres which contain, as the only oxidative dyestuffs, oxidative dyestuff precursors of the para type and of the ortho type, at least one said precursor of the para type being an aromatic diamine, of specified formula or a specified bis-condensed precursor and at least one said precursor of the ortho type which is an ortho-aminophenol, ortho-diphenol, ortho-phenylenediamine or a derivative thereof.