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, 1994
Filed:
Apr. 15, 1993
Applicant:
Inventors:
Hauke Furstenwerth, Leverkusen, DE;
Karl-Heinrich Lange, Burscheid, DE;
Roderich Raue, Leverkusen, DE;
Alfred Brack, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ; C08K / ;
U.S. Cl.
CPC ...
534551 ; 534555 ; 8638 ; 8644 ; 8655 ; 8927 ; 8922 ; 8924 ; 524 83 ; 524190 ;
Abstract
The new cationic triazatrimethine dyestuffs of the formula ##STR1## wherein the substituents B, Z, R.sup.2 and An.sup..crclbar. have the meaning given in the description, are suitable for dyeing and printing naturally occurring and synthetic materials.