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:
Jan. 14, 1997
Filed:
Feb. 15, 1995
David L Anton, Wilmington, DE (US);
Robert D Fallon, Elkton, MD (US);
Barry Stieglitz, Overbrook Hills, PA (US);
Vincent G Witterholt, Wilmington, DE (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
This invention relates to the enantioselective biologically-catalyzed hydrolysis of certain racemic nitriles to the corresponding R- or S-amides, chemically or biologically-catalyzed hydrolysis of the amides to the corresponding R- or S-acids in a batch process or in a continuous process that employs racemization and recycling of enantiomeric nitrile intermediates, the racemic nitriles being selected from the group, A--C(R.sup.1)(R.sup.2)CN, wherein A, R.sup.1 and R.sup.2 are as defined in the text, as well as certain biological materials employed to catalyze the process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile