Patents by Inventor Petronella Danielle Verweij

Petronella Danielle Verweij 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).

  • Branched polymers with polyolefin arms
    Patent number: 6084030
    Abstract: A highly branched polymer in the form of a comb, star, nanogel and structural combinations thereof in which a plurality of polyolefin arms formed of polymers of 1-alkenes are attached to a backbone having repeating units containing aliphatic groups, aromatic groups, heteroatom-containing groups and combinations thereof.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: July 4, 2000
    Assignee: DSM Copolymer, Inc.
    Inventors: Koen Jan Gerarda Janssen, Gerardus Arnoldus Rademakers, Jacob Renkema, Petronella Danielle Verweij