Patents by Inventor Herwarth Heitman

Herwarth Heitman 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).

  • Patent number: 4318852
    Abstract: The solvate of sodium amoxicillin and N-methyl-2-pyrrolidone and its preparation which is a stable antibiotic from which injectable solutions may be prepared.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: March 9, 1982
    Assignee: Gist-Brocades N.V.
    Inventors: Herwarth Heitman, Johannes K. van der Drift, Everardus J. A. M. Leenderts, Herman H. Grootveld