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:
Sep. 12, 1989
Filed:
Mar. 13, 1987
Applicant:
Inventors:
Franco Francalanci, Novara, IT;
Marco Ricci, Novara, IT;
Pietro Cesti, Trecate, IT;
Carlo Venturello, Novara, IT;
Assignee:
Istituto Guido Donegani S.p.A., Novara, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562567 ; 435128 ; 435129 ; 435135 ; 435141 ;
Abstract
A process for preparing L(-)-carnitine chloride having the formula: ##STR1## comprising the steps of: (a) reacting a racemic ester of (R,S)-3,4-epoxybutyric acid having the formula: ##STR2## wherein R is an alkyl group having from 1-10 carbons, or a benzyl group, with an enzyme capable of selectively hydrolyzing enantiomer S(-),