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. 20, 2012
Filed:
Aug. 20, 2007
Applicant:
Norihiko Hirata, Suita, JP;
Inventor:
Norihiko Hirata, Suita, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 229/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided for producing optically active α-amino acid benzyl esters. The method includes reacting an optically active α-amino acid and benzyl alcohols in the presence of an acid, wherein the reaction is carried out under reduced pressure without substantially using a solvent, while distilling off water generated by the progress of the reaction.