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:
Aug. 07, 2001
Filed:
May. 10, 2000
Applicant:
Inventors:
Kanjai Khumtaveeporn, Aurora, CA;
Trina Cherryle Cosway, North York, CA;
Wen-Lung Yeh, Thornhill, CA;
Assignee:
Torcan Chemical Limited, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 1/300 ;
U.S. Cl.
CPC ...
C12P 1/300 ;
Abstract
Stereoisomers of carbocyclic amine compounds such as amino tetralins are separated by subjecting a mixture of the stereoisomers to reaction with an acylating agent in the presence of the enzyme,lipase which effect selective acylation of one of the stereoisomers to form a separable amide, whilst leaving the other stereoisomer substantially unchanged.