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. 06, 2018
Filed:
Feb. 05, 2014
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Nicolas Archer, Edinburgh, GB;
Timothy Davies, Edinburgh, GB;
Amy Price, Edinburgh, GB;
Maureen Young, Edinburgh, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/08 (2006.01); C07D 489/02 (2006.01);
U.S. Cl.
CPC ...
C07D 489/08 (2013.01);
Abstract
The present invention provides processes for preparing morphinan-6-one compounds, in particular oxymorphone and salts thereof, having improved impurity profiles.