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:
Feb. 19, 2019
Filed:
Apr. 17, 2017
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Nicolas Archer, Edinburgh, GB;
David August, Edinburgh, GB;
Michael Bease, Edinburgh, GB;
Barbara Jamieson, Edinburgh, GB;
Robert S. Marmor, Woodstown, NJ (US);
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 489/12 (2006.01); C07D 489/02 (2006.01); C07D 489/08 (2006.01);
U.S. Cl.
CPC ...
C07D 489/02 (2013.01); C07D 489/08 (2013.01); C07D 489/12 (2013.01);
Abstract
An improved process for preparing buprenorphine and a method for increasing the yield of buprenorphine or a derivative thereof.