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:
Jul. 12, 1977
Filed:
Jul. 14, 1970
Applicant:
Inventors:
Richard Peter, Basel, CH;
Walter Jenny, Basel, CH;
Assignee:
Ciba-Geigy AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 260 / ; 260 / ; 2602 / ; 2602 / ; 2602 / ; 2603 / ; 2603 / ; 2603 / ; 2603 / ; 260309 ; 2603092 ; 2604 / ; 2604 / ; 260477 ; 2604 / ; 260577 ;
Abstract
Water-insoluble styryl dyestuffs of the formula ##STR1## in which X represents a cyano, carbo-lower alkoxy or phenylsulphone group, Y.sub.1 and Y.sub.2 each represents a hydrogen atom, an lower alkyl or lower alkoxy or phenoxy group, R represents a lower alkyl, phenyl-lower-alkyl, cyano-lower-alkyl, lower alkoxyalkyl or acyloxyalkyl group or a radical of the formula --A--S--B, and A represent a lower alkylene group that may be substituted by a lower alkanoyloxy or a benzoyloxy group and B represents a heterocyclic radical.