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. 12, 1989
Filed:
Sep. 19, 1988
Applicant:
Inventor:
Jean-Marie Sire, Hegenheim, FR;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8566 ; 8532 ; 8567 ; 8569 ; 8585 ; 8586 ; 8590 ; 8602 ; 8605 ; 8650 ; 8651 ; 8652 ; 8666 ; 8918 ;
Abstract
A process for dyeing cellulose fibres or cellulose-containing blend fibres with vat dyes, sulfur dyes, leuco vat ester dyes or azoic dyes by the pad dyeing process without incurring ending, in which an aqueous dyeing liquor is used which, aside from the dye, contains a colorless compound of the formula ##STR1## or of the formula ##STR2## where Q is ##STR3## or .dbd.N--, Y is hydrogen, halogen, cyano, C.sub.1 -C.sub.5 alkyl or C.sub.1 -C.sub.5 alkylsulfonyl,