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:
Jun. 26, 2007
Filed:
Jan. 04, 2005
Kouji Nishikawa, Osaka, JP;
Toshio Suzuki, Osaka, JP;
Atsushi Nakagawa, Osaka, JP;
Keiko Suzuki, Osaka, JP;
Satoshi Nakayama, Osaka, JP;
Kouji Nishikawa, Osaka, JP;
Toshio Suzuki, Osaka, JP;
Atsushi Nakagawa, Osaka, JP;
Keiko Suzuki, Osaka, JP;
Satoshi Nakayama, Osaka, JP;
Daiso Co., Ltd., Osaka, JP;
Abstract
The present invention provides a method for obtaining optically active 3-chloro-2-methyl-1,2-propanediol, the method comprising: a first step of letting at least one kind of microorganism or processed product thereof having an ability to leave untouched (R)-3-chloro-2-methyl-1,2-propanediol or (S)-3-chloro-2-methyl-1,2-propanediol in the presence of an enantiomeric 3-chloro-2-methyl-1,2-propanediol mixture act on an enantiomeric 3-chloro-2-methyl-1,2-propanediol mixture; and a second step of recovering the untouched optically active 3-chloro-2-methyl-1,2-propanediol.