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:
Apr. 11, 1995
Filed:
Sep. 27, 1993
Applicant:
Inventors:
Bernhard Albert, Maxdorf, DE;
Knut Kessel, Mannheim, DE;
Hans-Dieter Martin, Wuerzburg, DE;
Stefan Silber, Krefeld, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
549 13 ; 549 14 ; 549 20 ; 549 22 ; 549 30 ; 549 39 ; 549 59 ; 549 60 ; 549357 ; 549370 ; 549378 ; 549414 ; 549415 ; 549448 ; 549472 ;