Patents by Inventor Marinus J. D. Eenink

Marinus J. D. Eenink 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).

  • Biodegradable polymer substrates loaded with active substance suitable for the controlled release of the active substance by means of a membrane
    Patent number: 4965128
    Abstract: Biodegradable hollow fibres with an asymmetric wall, the cavity of which containing an active substance like a drug, hormone etc. or a dilute form of the latter and both ends of the hollow fibre being closed for the controlled release of the active substance as well as a process for the manufacturing of such hollow fibres.
    Type: Grant
    Filed: February 26, 1988
    Date of Patent: October 23, 1990
    Assignee: Nederlandse Organisatie Voor Toegepast-Natuurwetenschappe Lijk
    Inventors: Pieter J. Greidanus, Jan Feijen, Marinus J. D. Eenink, Johannes C. Rieke, Jan Olijslager, Jan H. M. Albers