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. 04, 2000
Filed:
Jul. 10, 1998
Applicant:
Inventors:
Makoto Itagaki, Takatsuki, JP;
Gohfu Suzukamo, Suita, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560124 ;
Abstract
A process for producing an optically active cyclopropanecarboxylic acid ester which is characterized by reacting a prochiral olefin with a diazoacetic acid ester in the presence of a copper complex obtained by reacting an optically active bisoxazoline ligand with a copper compound.