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. 10, 1981
Filed:
Apr. 14, 1980
Applicant:
Inventors:
Herbert Hugl, Leverkusen, DE;
Gerhard Wolfrum, Leverkusen, DE;
Henning Reel, Cologne, DE;
Werner Kunnel, Leverkusen, DE;
Robert Kuth, Cologne, DE;
Wilhelm Gohrbandt, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8532 ; 8662 ; 260157 ; 260165 ; 260205 ;
Abstract
For dyeing and printing cellulose fibers swollen with water-miscible swelling agents or fibre blends containing these fibres, the fibres are treated with dyestuffs of the general formula ##STR1## wherein R.sub.1 represents aryl,