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:
Oct. 04, 1994
Filed:
Mar. 25, 1993
Applicant:
Inventors:
Seiichi Takano, Sendai, JP;
Kunio Ogasawara, Sendai, JP;
Assignee:
Asahi Denka Kogyo K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568648 ; 549411 ; 568628 ; 568813 ; 568814 ; 568873 ;
Abstract
A process for manufacturing an optically active saturated compound of the general formula (25): ##STR1## wherein R.sub.20 represents a group for protecting a hydroxy group, R.sub.21, R.sub.22, and R.sub.23 independently represent a hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms, is disclosed.