Patents by Inventor Gerard Marie Vanhaeren

Gerard Marie Vanhaeren 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: 6087454
    Abstract: This invention relates to a process to produce curable and/or cured elastomeric compositions and the curable and/or cured compositions so produced. More specifically, in a preferred embodiment, this invention relates to elastomers containing hydroxyl and/or amine functionality curable and/or cured with a blocked polyisocyanate. Preferred elastomers include isobutylene based elastomers.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: July 11, 2000
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Gerard Marie Vanhaeren, Avinash Chandrakant Gadkari
  • Patent number: 5912302
    Abstract: This invention relates to elastomeric composition and a process for producing said compositions. The elastomeric composition of this invention contains the reaction product of one or more elastomer(s) containing functional groups reactive with isocyanate, one or more polyisocyanate compound(s), and one or more co-reactant compound(s) containing functional groups reactive with isocyanates.
    Type: Grant
    Filed: June 2, 1997
    Date of Patent: June 15, 1999
    Inventors: Avinash Chandrakant Gadkari, Gerard Marie Vanhaeren