Patents by Inventor Erik Postma

Erik Postma 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).

  • Somatic embryogenesis method
    Patent number: 5587312
    Abstract: Somatic embryo suspension cultures and pro-embryogenic mass suspension cultures (PEMs) comprising somatic embryos and PEMs having substantially similar ploidy levels, plants derived therefrom, and methods for obtaining said somatic embryos.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: December 24, 1996
    Assignee: Sandoz Ltd.
    Inventors: Gerrit J. van Holst, Marc Kreuger, Wiert van der Meer, Erik Postma, Rob Abbestee