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:
Dec. 20, 2005
Filed:
Jul. 25, 2003
Harry Kochat, San Antonio, TX (US);
Xinghai Chen, San Antonio, TX (US);
YE Wu, Helotes, TX (US);
Qiuli Huang, San Antonio, TX (US);
Jianyan Wang, Helotes, TX (US);
Vincent Gerusz, San Antonio, TX (US);
Harry Kochat, San Antonio, TX (US);
Xinghai Chen, San Antonio, TX (US);
Ye Wu, Helotes, TX (US);
Qiuli Huang, San Antonio, TX (US);
Jianyan Wang, Helotes, TX (US);
Vincent Gerusz, San Antonio, TX (US);
BioNumerik Pharmaceuticals, Inc., San Antonio, TX (US);
Abstract
A process for synthesizing substantially enantiomerically pure L-amino acids, particularly L-γ-methylene glutamic acid, and esters and salts thereof. The process includes the derivatization of (2S)-pyroglutamic acid, and the decyclization of the resulting derivative to form the desired end product.