Patents by Inventor Peter Thomas Weissman

Peter Thomas Weissman 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).

  • Semi-telechelic nitrogen-functional oligomer
    Patent number: 6451951
    Abstract: The present invention relates to an oligomer with a semi-telechelic nitrogen-functionality and at least one ethylenic unsaturation pendant to the backbone of the oligomer. In addition, a process is provided to prepare the semi-telechelic nitrogen-functional oligomer. The semi-telechelic nitrogen-functional oligomer is useful as a dispersant for pigments in radiation curable formulations.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: September 17, 2002
    Assignee: Rohm and Haas Company
    Inventors: Ronald Scott Beckley, Barry Clifford Lange, David William Whitman, Jo Ann Arceneaux, Michael Christopher Kramer, Peter Thomas Weissman
  • Semi-telechelic nitrogen-functional oligomer
    Publication number: 20020019506
    Abstract: The present invention relates to an oligomer with a semi-telechelic nitrogen-functionality and at least one ethylenic unsaturation pendant to the backbone of the oligomer. In addition, a process is provided to prepare the semi-telechelic nitrogen-functional oligomer. The semi-telechelic nitrogen-functional oligomer is useful as a dispersant for pigments in radiation curable formulations.
    Type: Application
    Filed: June 21, 2001
    Publication date: February 14, 2002
    Inventors: Ronald Scott Beckley, Barry Clifford Lange, David William Whitman, Jo Ann Arceneaux, Michael Christopher Kramer, Peter Thomas Weissman