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:
Oct. 31, 1978
Filed:
Oct. 27, 1976
Applicant:
Inventors:
Claude M Brouard, Sotteville les Rouen, FR;
Paulette G Ficht, Mont Saint Aignan, FR;
Assignee:
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
260147 ; 2601 / ; 260149 ; 260150 ; 260151 ; 2604 / ; 2604 / ; 542422 ;
Abstract
Chromiferous complexes of the type: ##STR1## IN WHICH (I) represents the residue of a metallizable azo or azomethine compound, (II) represents the residue of a bidentate chelating agent and Z represents a monofunctional neutral ligand: process for the preparation of such complexes which comprises reacting a bidentate chelating agent with a 1:1 cationic chromium complex of an azo or azomethine compound in the presence of ammonia or an organic base and the use of such complexes for the coloration of synthetic materials.