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:
Sep. 15, 1992
Filed:
Mar. 11, 1991
Applicant:
Inventor:
Rosemarie Topfl, Dornach, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; C09B / ; C07C / ;
U.S. Cl.
CPC ...
8606 ; 8612 ; 8680 ; 8918 ; 564291 ; 564292 ;
Abstract
Process for improving the color yield and the wet fastness properties of dyeings or prints produced with anionic dyes on cellulose fibre material, in which the fibre material is treated before dyeing or during a dyeing with a quaternary ammonium salt of the formula ##STR1## in which R is C.sub.1 -C.sub.3 alkyl, X is the group ##STR2## Hal is a halogen atom and Q.sup..crclbar. is the anion of an aromatic sulfonic acid or a C.sub.1 -C.sub.3 alkylsulfate ion.