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:
Aug. 07, 2018
Filed:
Aug. 24, 2016
Applicant:
Cody Laboratories, Inc., Cody, WY (US);
Inventors:
Gnel Mkrtchyan, Cody, WY (US);
Qingwei Yao, Cody, WY (US);
Assignee:
Cody Laboratories, Inc., Cody, WY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 221/00 (2006.01); C07C 225/16 (2006.01); C07C 213/00 (2006.01); C07C 227/18 (2006.01); C07C 253/30 (2006.01);
U.S. Cl.
CPC ...
C07C 221/00 (2013.01); C07C 213/00 (2013.01); C07C 225/16 (2013.01); C07C 227/18 (2013.01); C07C 253/30 (2013.01); C07B 2200/07 (2013.01);
Abstract
Highly efficient methods for synthesis of levomethadone hydrochloride or dextromethadone hydrochloride are provided starting from D-alanine, or L-alanine, respectively, with retention of configuration. Methods for treating a subject are provided comprising administering a composition comprising an effective amount of levomethadone hydrochloride having not more than 10 ppm dextromethadone.
Mkrtchyan, Gnel. (2018). Synthesis of levomethadone hydrochloride or dextromethadone hydrochloride and methods for use thereof (U.S. Patent No. 10040752). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10040752
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile