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:
Mar. 30, 2004
Filed:
Oct. 28, 2002
Mukund Keshao Gurjar, Pune, IN;
Pradeep Kumar, Pune, IN;
Anis Naim Deshmukh, Pune, IN;
Rajesh Kumar Upadhyay, Pune, IN;
Puspesh Kumar Upadhyay, Pune, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
The present invention relates to a process for the in situ preparation of optically pure (S)-3,4-dihydroxybutyric acid derivatives represented by the Formula [2] and more particularly, to a process which enables preparing optically pure (S)-3-hydroxy-&ggr;-butyrolactone represented by Formula [1] by oxidation of &agr;- or &bgr;-(1,4) linked disaccharide or oligosaccharide with an oxidant under basic condition to give acid and cyclization sequentially under acidic condition to give (S)-3-hydroxy-&ggr;-butyrolactone.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile