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. 06, 1999
Filed:
Nov. 27, 1996
Applicant:
Inventors:
John David Sutherland, Osney Island, GB;
Roelof Ary Bovenberg, Rotterdam, NL;
Jan Metske van der Laan, Breda, NL;
Assignee:
Isis Innovation Limited, Oxford, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435183 ; 435 49 ; 435 691 ; 4352523 ; 43525231 ; 4353201 ; 435471 ; 435479 ; 536 232 ; 935 10 ; 935 14 ; 935 29 ; 935 60 ; 935 75 ;
Abstract
An overall process for the preparation and recovery of 7-aminodesacetoxycephalosporanic acid (7-ADCA) via enzymatic ring expansion activity on penicillin G, using a Penicillium chrysogenum transformant strain expressing modified expandase enzyme.