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. 31, 2007
Filed:
Apr. 08, 2002
Applicants:
Udo Kraatz, Leverkusen, DE;
Andrew Plant, Berkshire, GB;
Ernst Kysela, Bergisch Gladbach, DE;
Albrecht Marhold, Leverkusen, DE;
Inventors:
Udo Kraatz, Leverkusen, DE;
Andrew Plant, Berkshire, GB;
Ernst Kysela, Bergisch Gladbach, DE;
Albrecht Marhold, Leverkusen, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 207/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
2,5-Bisaryl-Δ-pyrrolines of the formula (I) in whichArand Arare as defined in the descriptioncan be prepared byreacting aroylpyrrolidinones of the formula (II) in whichArand Arare as defined in the descriptionwith an acid, if appropriate in the presence of a diluent.