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:
Jul. 04, 1978
Filed:
Apr. 04, 1977
Applicant:
Inventors:
James Kenneth Skelly, Wilmslow, GB;
David George Evans, Rochdale, GB;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09B / ;
U.S. Cl.
CPC ...
8 41 / ; 8 1 / ; 8 54 ; 8 76 ; 8174 ; 8178 / ; 260174 ;
Abstract
A process for dyeing or printing materials made from natural or synthetic polyamide, which process comprises treating these materials with a dye liquor or printing paste containing the dye of the formula I ##STR1## wherein R represents hydrogen or a metal cation, as well as water and, optionally, further additives.