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:
Jan. 04, 1977
Filed:
Feb. 26, 1974
Applicant:
Inventors:
Ian Cheetham, Manchester, EN;
Kenneth Dunkerley, Manchester, EN;
Colin William Greenhaigh, Manchester, EN;
James Albert Moyse, Manchester, EN;
David Francis Newton, Manchester, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 / ; 260378 ; 260380 ;
Abstract
Process for mass coloring synthetic linear polyesters which comprises incorporating into the preformed polyester one or more dyestuffs of the formulae:- ##STR1## wherein R is a group of the formula ##STR2## and X is a lower alkoxy, substituted lower alkoxy, lower alkylamino or acylamino radical which is free from hydroxy or carboxylic acid groups.