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:
Jan. 02, 1979
Filed:
Oct. 07, 1977
Applicant:
Inventor:
Barry E Ayres, Ickenham, GB;
Assignee:
Glaxo Laboratories Limited, Greenford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 28 ; 544 30 ; 424246 ; 544 18 ;
Abstract
A process for the preparation of a 3-hydroxymethyl cephalosporin compound which comprises selectively hydrolyzing a 3-formyloxymethyl cephalosporin compound under acidic conditions in the presence of a protic solvent whereby a 3-hydroxymethyl cephalosporin is produced.