Patents by Inventor Pieter Molenaar

Pieter Molenaar 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).

  • Stable solutions of oxytetracycline suitable for parenteral and peroral administration and process of preparation
    Patent number: 3957972
    Abstract: The present invention relates to a clear, stable, aqueous solution of oxytetracycline for medical applications consisting essentially of from 1% to 5% by weight of oxytetracycline and water containing polyvinyl pyrrolidone and a magnesium compound, said aqueous solution having a pH in the range of from 8.0 to 9.5 and a concentration of polyvinyl pyrrolidone of from 2.5% to 7.49% as well as to the process of preparing the same. The oxytetracycline solutions are utilized in parenteral and peroral administrations, are free from adverse side effects and are stable over long periods of storage.
    Type: Grant
    Filed: June 28, 1972
    Date of Patent: May 18, 1976
    Assignee: Koninklijke Nederlandsche Gist-en Spiritusfabriek N.V.
    Inventors: Hubert Antonius Weber, deceased, Adrianus Pieter Molenaar
  • Diffusing evaporator of active substances
    Patent number: D782638
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: March 28, 2017
    Assignee: ZOBELE HOLDING S.P.A.
    Inventors: Danilo Rossi, Cedric Gobber, Pieter Molenaar