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:
Mar. 23, 1993
Filed:
Jun. 18, 1991
Applicant:
Inventors:
Hans-Heiner Wuest, Dossenheim, DE;
Bernd Janssen, Ludwigshafen, DE;
William V Murray, Belle Mead, NJ (US);
Michael P Wachter, Bloomsbury, NJ (US);
Stanley Bell, Narbeth, PA (US);
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544114 ; 544146 ; 544141 ; 544152 ; 546205 ; 546206 ; 546209 ; 546213 ; 546214 ; 548235 ; 548236 ; 548202 ; 548203 ; 548247 ; 548379 ; 548517 ; 548518 ; 548561 ; 548562 ; 5483771 ; 549 60 ; 5483435 ; 549 75 ; 549472 ; 549491 ; 549497 ; 549498 ; 549499 ; 549501 ; 549502 ;
Abstract
Compounds of formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or methyl, A is an ethylene or methylene radical which is unsubstituted or substituted by methyl, hydroxyl or oxo,