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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.:

US 6355822 B1

PDFFull Text
Date of Patent:
Mar. 12, 2002

Filed:

Jul. 14, 2000

Process for selective reduction

Applicant:
Inventors:

Dean Vincent Johnson, Graz, AT;

Peter Pöchlauer, Linz, AT;

Herfried Griengl, Graz, AT;

Assignee:

DSM Fine Chemicals Austria Nfg GmbH & CoKG, Linz, AT;

Attorney:

Wenderoth, Lind & Ponack, LLP

Primary Examiner:

Paul F Shaver

Int. Cl.
CPC ...
C07F 7/08 ;
U.S. Cl.
CPC ...
C07F 7/08 ;
Abstract

Process for the stereoselective reduction of chiral &agr;- or &bgr;-keto esters which have a chiral center in the &ggr; position in an inert solvent at temperatures from −80 to +50° C. using a reductant obtained by reaction of NaBH and (D)- or (L)-tartaric acid, to give the corresponding diastereomeric hydroxy compounds in each case.

Find Patent Forward Citations

Johnson, Dean. (2002). Process for selective reduction (U.S. Patent No. 6355822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6355822

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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