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:
Oct. 14, 1997
Filed:
Jun. 05, 1995
Applicant:
Inventors:
Reiner Fischer, Monheim, DE;
Thomas Bretschneider, Siegburg, DE;
Bernd-Wieland Kruger, Bergisch Gladbach, DE;
Christoph Erdelen, Leichlingen, DE;
Hans-Joachim Santel, Leverkusen, DE;
Klaus Lurssen, Bergisch Gladbach, DE;
Robert R Schmidt, Bergisch Gladbach, DE;
Ulrike Wachendorff-Neumann, Monheim, DE;
Wilhelm Stendel, Wuppertal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544165 ; 546335 ; 560 45 ;
Abstract
The invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) ##STR1## in which A and B together with the carbon atom to which they are bonded represent a substituted cycle,