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:
Nov. 08, 1983
Filed:
Jul. 13, 1981
Applicant:
Inventors:
Antoine G Breda, Craponne, FR;
Jacques G Roussel, Bosc Roger en Roumois, FR;
Assignee:
P C U K Produits Chimiques Ugine Kuhlmann, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
2601 / ;
Abstract
The invention relates to new chromiferous complex dyestuffs of the general formula: ##STR1## in which R represents a hydrogen atom or a .beta.-hydroxyethyl group, A represents a hydrogen atom, a phenyl group or a phenyl group substituted by one or more halogen atoms or alkyl groups of low molecular weight, and the nucleus B may be substituted by one or more chlorine atoms. These complexes may be used for the coloration of the natural or synthetic polyamides or leather.