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:
Jan. 04, 2022
Filed:
Apr. 12, 2018
Applicant:
Kempharm, Inc., Coralville, IA (US);
Inventors:
Travis Mickle, Celebration, FL (US);
Sven Guenther, Coralville, IA (US);
Sanjib Bera, Blacksburg, VA (US);
Assignee:
KEMPHARM, INC., Celebration, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 221/28 (2006.01); A61K 31/439 (2006.01); A61K 47/54 (2017.01);
U.S. Cl.
CPC ...
C07D 221/28 (2013.01); A61K 47/542 (2017.08);
Abstract
The presently described technology provides compositions of one or more of oxoacids, polyethylene glycols, and/or vitamin compounds chemically conjugated to dextrorphan, (+)-17-methylmorphinan-3-ol), to form novel prodrugs and compositions of dextrorphan.