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. 10, 1987
Filed:
Dec. 06, 1982
Applicant:
Inventor:
Charles J Sih, Madison, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ; C12P / ;
U.S. Cl.
CPC ...
435128 ; 435129 ; 435141 ; 435135 ;
Abstract
A process for preparing L-carnitine which comprises exposing .gamma.-substituted acetoacetic acid esters or amides to the fermentative enzymatic action of a microorganism which elaborates oxido-reductase enzymes, recovering the resulting, optically active, corresponding .gamma.-substituted-.beta.-hydroxybutyric acid derivative and converting said derivative to L-carnitine.