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:
Jun. 30, 2026
Filed:
Jan. 27, 2022
Applicant:
Rhodes Technologies, Coventry, RI (US);
Inventor:
C. Frederick M. Huntley, East Greenwich, RI (US);
Assignee:
RHODES TECHNOLOGIES, Coventry, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/08 (2006.01);
U.S. Cl.
CPC ...
C07D 489/08 (2013.01);
Abstract
The application is directed to an efficient process for crystallizing nalmefene hydrochloride in a hydrated form from an aqueous hydrochloric acid solution (or a mixture) with a high yield.