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:
Mar. 24, 1998
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Roelof Ary Bovenberg, Rotterdam, NL;
Bertus Pieter Koekman, Schipluiden, NL;
Dirk Schipper, Delft, NL;
Adrianus Wilhelmus Vollebregt, Naaldwijk, NL;
Assignee:
Gist-brocades, B.V., Ma Delft, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C07D / ;
U.S. Cl.
CPC ...
435 47 ; 435 46 ; 435 51 ; 4352545 ; 540218 ;
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 expandase.