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. 22, 2020
Filed:
Mar. 18, 2019
Applicant:
Kempharm, Inc., Celebration, FL (US);
Inventors:
Travis Mickle, Kissimmee, FL (US);
Sven Guenther, Coralville, IA (US);
Christal Mickle, Kissimmee, FL (US);
Guochen Chi, Coralville, IA (US);
Jaroslaw Kanski, Blacksburg, VA (US);
Andrea K. Martin, Fincastle, VA (US);
Bindu Bera, Blacksburg, VA (US);
Assignee:
KemPharm, Inc., Celebration, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 43/42 (2006.01); A61K 31/44 (2006.01); C07D 489/04 (2006.01); A61K 31/485 (2006.01); C07D 489/02 (2006.01);
U.S. Cl.
CPC ...
C07D 489/04 (2013.01); A61K 31/485 (2013.01); C07D 489/02 (2013.01); C07B 2200/13 (2013.01);
Abstract
Compositions comprising hydrocodone benzoic acid enol ester to form novel prodrugs including hydrocodone benzoic acid enol ester salts, and various polymorphs. Also provided are processes for the preparation of hydrocodone benzoic acid enol ester salts, and various polymorphs.