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. 10, 2002
Filed:
Jul. 20, 2001
Sang Jo Lee, Taejeon, KR;
Myung Joon Seo, Taejeon, KR;
Nak Cheol Jeong, Taejeon, KR;
Gun Cheol Kim, Taejeon, KR;
Hyun Woung Hong, Taejeon, KR;
Sul A Kim, Taejeon, KR;
Hanchem Co., Ltd., Taejeon, KR;
Abstract
The present invention relates to a new process for effectively converting the chirality of 4- or 5-position carbon of a 1,4-lactone- or 1,5-lactone sugar compound which comprises reacting the lactone compound with secondary amine and sulfonyl group-containing compound. The compound of which chirality is converted according to the present invention can be advantageously used for preparing such expensive rare sugar compounds as L-ribose, D-talose, etc.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile