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:
Apr. 15, 1997
Filed:
Feb. 04, 1994
Applicant:
Inventors:
Feodor Scheinmann, Cheshire, GB;
Keith W Lumbard, Stockport, GB;
Richard T Brown, Cheadle Hulme, GB;
Stephen P Mayalarp, Manchester, GB;
Neil E Carter, Manchester, GB;
Assignee:
Salford Ultrafine Chemicals and Research Limited, Manchester, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 174 ; 536 181 ; 536 185 ;
Abstract
##STR1## Morphine-6-glucuronide or substituted morphine-6-glucuronide of formulae (I) is made by conjugation of a glucuronate ester and/or substituted glucuronate ester with morphine or substituted morphine in the presence of a Lewis acid catalyst and in the absence of silver catalysts and barium hydroxide and other heavy metal derivatives.