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:
May. 11, 1993
Filed:
Apr. 09, 1992
Applicant:
Inventors:
Manfred Patsch, Wachenheim, DE;
Uwe Nahr, Dannstadt-Schauernheim, DE;
Friedrich Wirsing, Speyer, DE;
Joerg L Jessen, Speyer, DE;
Klaus Pandl, Ludwigshafen, DE;
Claus Marschner, Speyer, DE;
Matthias Dust, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
534618 ; 534622 ; 534632 ; 534634 ; 534635 ; 534637 ; 534638 ; 534641 ; 534642 ; 540126 ; 540132 ; 544 76 ; 549 14 ; 552225 ; 558 25 ; 558 29 ; 564440 ; 568 29 ; 568 30 ;
Abstract
Double attachment reactive dyes have the formula ##STR1## where U.sup.1 is C.sub.1 -C.sub.4 -alkyl, phenyl, C.sub.2 -C.sub.10 -alkenyl or the radical ##STR2## where Q.sup.1 and Q.sup.2 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl and Q.sup.3 is a group which is detachable under alkaline reaction conditions,