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:
Jan. 07, 1986
Filed:
Aug. 12, 1983
Applicant:
Inventors:
Peter Dimroth, Mannheim, DE;
Heinrich Kowarsch, Oberderdingen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
534655 ; 106 23 ; 1062 / ; 106300 ; 1063 / ; 5262181 ; 526219 ;
Abstract
Compounds which, in one of the possible tautomeric forms, correspond to the general formula I ##STR1## where n is 1 or 2 and, if n is 1, R is unsubstituted or substituted aryl or heteroaryl or, if n is 2, R is a bridge member, and the rings A and B can be further substituted, are outstanding colorants for surface coatings, printing inks or plastics.