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:
Jul. 18, 2000
Filed:
Jun. 30, 1998
Applicant:
Inventors:
Bogdan Mudryk, East Windsor, NJ (US);
Chester Sapino, Sewell, NJ (US);
Jen-Sen Dung, Boothwyn, PA (US);
Alice Sebastian, Deptford, NJ (US);
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 44 ; 546 45 ;
Abstract
A process for the preparation of thebaine, its salts such as the bitartrate, and analogues thereof, together with a novel intermediate useful in said process are disclosed. Thebaine bitartrate is itself useful in the preparation of oxycodone; analogues are useful in the preparation of analogous 14-hydroxymorphinones.