Patents by Inventor Rinze Cuperus

Rinze Cuperus 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).

  • Preparation of 6-amino-penicillanic acid-1,1-dioxide
    Patent number: 4695628
    Abstract: A process for the preparation of 6-amino-pencillanic acid-1,1-dioxide without protecing either the amino group or the carboxy group during oxidation, by oxidation of 6-amino-penicillanic acid or 6-amino penicillanic acid sulfoxide with an alkali metal permanganate in an aqueous medium.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: September 22, 1987
    Assignee: Gist-Brocades N.V.
    Inventors: Jacobus J. Bos, Rinze Cuperus, Rudolf Wielinga