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:
Feb. 22, 1994
Filed:
May. 22, 1992
Applicant:
Inventors:
Rudolf Binder, Maintal, DE;
Ulrich Buhler, Alzenau, DE;
Friedrich Schophoff, Frankfurt/M., DE;
Margareta Boos, Hattersheim, DE;
Reinhard Kuhn, Frankfurt, DE;
Assignee:
Cassella Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8639 ; 8532 ; 8533 ; 8662 ; 8690 ; 8692 ; 8695 ; 8922 ;
Abstract
The present invention relates to a process for the preparation of finished dyeings of high fastness to thermomigration on fibre materials consisting completely or partly of polyester, characterized in that the material is dyed with one or more dyestuffs of the general formula I ##STR1## wherein R denotes linear (C.sub.1 -C.sub.3)-alkyl or (C.sub.3 -C.sub.6)-alkyl which is interrupted by an oxygen atom and