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:
Oct. 27, 2026
Filed:
Nov. 02, 2021
Applicant:
Knoa Pharma Llc, Stamford, CT (US);
Inventor:
C. Frederick M. Huntley, East Greenwich, RI (US);
Assignee:
KNOA PHARMA LLC, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/08 (2006.01);
U.S. Cl.
CPC ...
C07D 489/08 (2013.01); C07B 2200/13 (2013.01);
Abstract
The application is directed to a process of purifying noroxymorphone by preparing and isolating noroxymorphone bisulfite adduct and regenerating purified noroxymorphone from noroxymorphone bisulfite adduct. The application is also directed to a compound represented by the Formula I, described herein, or a hydrate or zwitterion thereof, and a crystalline form of noroxymorphone bisulfite adduct monohydrate.
Quick Actions:
Huntley, C. Frederick M.. (2026). Process for purifying noroxymorphone (U.S. Patent No. 12774285). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774285
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile