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. 08, 2016
Filed:
May. 23, 2014
Applicant:
U.s. Army Edgewood Chemical and Biological Command, Washington, DC (US);
Inventors:
Andrew J Walz, Baltimore, MD (US);
Fu-Lian Hsu, Potomac, MD (US);
Assignee:
The United States of America as Represented by the Secretary of the Army, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 211/56 (2006.01); C07D 211/66 (2006.01);
U.S. Cl.
CPC ...
C07D 211/66 (2013.01);
Abstract
An improved process or method of synthesis of carfentanil and other potent opioid analgesics of the N-alkyl 4-substituted 4-piperdinylamide class which can be used as morphine substitutes.