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. 01, 2008
Filed:
Mar. 07, 2003
Applicants:
Yasuyuki Kawanishi, Amagasaki, JP;
Masaaki Uenaka, Osaka, JP;
Munenori Matsuura, Amagasaki, JP;
Inventors:
Assignee:
Shionogi & Co., Ltd., Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 205/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of Compound (I) comprising reacting Compound (II) with a base in an aprotic solvent, which is represented by the following scheme: wherein Rand Rare each independently lower alkyl.