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:
Dec. 07, 1976
Filed:
Jul. 28, 1975
Applicant:
Inventors:
Colin William Greenhalgh, Blackley, EN;
Ronald Wynford Kenyon, Blackley, EN;
Andrew John Logan, Blackley, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ;
U.S. Cl.
CPC ...
8 26 ; 8 39 / ; 8 41 / ; 8179 ;
Abstract
A process to color aromatic polyester textiles navy blue to black by dyeing, padding or printing with an aqueous dispersion of mixtures of four specified azo and anthraquinone disperse dyes.