Patents by Inventor Adrianus Wilhelmus Vollebregt

Adrianus Wilhelmus Vollebregt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the production of 7-ADCA via expandase activity on penicillin G
    Patent number: 5731165
    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.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: March 24, 1998
    Assignee: Gist-brocades, B.V.
    Inventors: Roelof Ary Lans Bovenberg, Bertus Pieter Koekman, Dirk Schipper, Adrianus Wilhelmus Vollebregt