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. 26, 1994
Filed:
Jul. 14, 1992
Applicant:
Inventors:
Ezio Battistel, La Spezia, IT;
Pietro Cesti, Trecate, IT;
Giuliana Franzosi, Calvignasco, IT;
Vilhelmus van der Goes, Caluso, IT;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12P / ;
U.S. Cl.
CPC ...
435 51 ; 435 47 ; 435170 ; 435832 ; 435834 ; 435874 ;
Abstract
7-amino-cephalosporanic acids having the formula ##STR1## are obtained by submitting compounds having the following formula to enzymatic conversion: ##STR2## wherein R represents H, OH, O--CO--R', R' being an alkyl radical with from 1 to 4 carbon atoms, R.sup.1 represents a carboxylic group. The reaction is carried out in the presence of a microorganism selected from the Pseudomonas, Bacillus, Achromobacter genera, or in the presence of an enzyme, either free or immobilized, derived therefrom.