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:
Aug. 23, 1977
Filed:
Nov. 04, 1975
Applicant:
Inventors:
Jacques Pierre Pechmeze, Paris, FR;
Robert Frederic Sureau, Enghien les Bains, FR;
Assignee:
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ;
U.S. Cl.
CPC ...
8 41 / ; 260152 ; 260157 ; 260163 ; 260186 ; 260190 ; 260191 ;
Abstract
Process for coloration of synthetic or artificial fibers with water-insoluble dyes stuffs of the formula: ##STR1## IN WHICH R represents hydrogen, alkyl or alkoxy, R.sub.1 represents hydrogen, chlorine, alkyl, alkoxy or acylamino or a diene grouping linked to the benzene nucleus to form a naphthalene nucleus, R.sub.2 represents hydrogen, alkyl, hydroxyalkyl or cyanoethyl, n represents 2, B represents an aromatic radical, m is 0 or 1 and A represents a benzene or heterocyclic radical, the residues A and B being unsubstituted or substituted by substituents which do not give rise to an acid dissociation.