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. 27, 1977
Filed:
Nov. 20, 1975
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544217 ; 2602 / ; 2602 / ; 2602 / ; 544126 ;
Abstract
Reactive dyestuffs of the formula ##STR1## wherein W, T, T', n, R, R.sub.1, R.sub.2, p and Z have the meaning given in the description, their preparation and their use for dyeing and printing materials containing N and materials containing hydroxyl groups, especially fibre materials. The dyestuffs are particularly suitable as fluorescent dyestuffs for dyeing or printing natural and synthetic polyamides and natural and regenerated cellulose, especially cotton. They combine a high fixing yield with outstanding wet fastness properties.