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:
Nov. 13, 2012
Filed:
Apr. 03, 2009
Applicant:
Koichi Nakazawa, Toyonaka, JP;
Inventor:
Koichi Nakazawa, Toyonaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 253/00 (2006.01); C07F 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of producing an optically active cyanohydrin compound represented by formula (3), which includes reacting an aldehyde compound represented by formula (2) with hydrogen cyanide in the presence of a silyl compound and an asymmetric complex which is obtained by reacting an optically active pyridine compound represented by formula (1) with an aluminum halide, and wherein Q, Q, Rand Rare defined in the specification.
Nakazawa, Koichi. (2012). Method for producing optically active cyanohydrin compound (U.S. Patent No. 8309753). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8309753
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile