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. 01, 2016
Filed:
Mar. 05, 2014
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Saroop Singh Matharu, Shirley, MA (US);
Ewart Grant, Woburn, MA (US);
Brian W. Heinrich, Fitchburg, MA (US);
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/485 (2006.01); C07D 489/02 (2006.01); C07D 489/04 (2006.01);
U.S. Cl.
CPC ...
C07D 489/02 (2013.01); C07D 489/04 (2013.01);
Abstract
Improved processes for making hydrocodone and hydromorphone as well as their 8,14-dihydrothebaine and 8,14-dihydrooripavine derivatives and salts are disclosed.