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. 01, 2009
Filed:
Jul. 28, 2005
Applicants:
Tilo Habicher, Speyer, DE;
Rainer Stürmer, Rödersheim-Gronau, DE;
Inventors:
Tilo Habicher, Speyer, DE;
Rainer Stürmer, Rödersheim-Gronau, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preparing substantially enantiopure 3-hydroxy carboxylic acids or esters of the general formula (III) by reacting racemic oxetan-2-ones of the general formula (I) with compounds R3-OH of the general formula (II) in the presence of a lipase fromor, and separating the resulting products of the formula (III) and (IV) from one another where the radicals have the following meaning:R, R, Rindependently of one another H; C-C-substituted or unsubstituted alkyl, substituted or unsubstituted aryl or hetaryl, where Rand Rmay not simultaneously have the same meaning.