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. 27, 1999
Filed:
May. 21, 1997
Applicant:
Inventors:
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; D06P / ; C09B / ;
U.S. Cl.
CPC ...
8549 ; 8641 ; 8662 ; 8687 ; 8917 ; 8918 ; 8924 ; 8925 ;
Abstract
A process for dyeing or printing natural or synthetic polyamide fiber material by the trichromatic technique, which comprises using at least one blue-dyeing dye of formula ##STR1## together with at least one red-dyeing dye of formula ##STR2## together with at least one yellow- or orange-dyeing dye of formula ##STR3##