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:
Feb. 20, 2018
Filed:
Nov. 04, 2011
Hideki Nara, Fujisawa, JP;
Yoshiki Hasegawa, Iwata, JP;
Hideki Nara, Fujisawa, JP;
Yoshiki Hasegawa, Iwata, JP;
TAKASAGO INTERNATIONAL CORPORATION, Tokyo, JP;
Abstract
The present invention provides a method for producing a reduction reaction product, wherein recovery of the reaction solvent and/or distillation is carried out after adding a nitrogen-containing compound into a reaction liquid of a reduction reaction that has been conducted using a transition metal complex. The present invention is capable of suppressing decrease in the optical purity of the reduction reaction product due to the transition metal complex used as a catalyst.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile