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:
Jun. 08, 1976
Filed:
Jul. 22, 1974
Applicant:
Inventors:
Harry Hall Sumner, Manchester, EN;
Gerald Williams, Manchester, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8 17 ; 8 15 ; 8 65 ; 8178 / ; 8DIG / ;
Abstract
Process for coloring synthetic polyamide textile materials which comprises applying to the said textile materials by a dyeing, padding or printing process, an aqueous dispersion of pH less than 7 of a disperse dyestuff containing at least one carboxylic acid group and in the presence of a tanning agent, whereby level colorations are obtained which have excellent wet fastness properties.