Patents by Inventor Armand DE Montigny

Armand DE Montigny 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).

  • Process for the production of polyurethane foams
    Patent number: 3993606
    Abstract: The mold release properties of a molded polyurethane foam are improved by including in the foamable reaction mixture to be molded a salt of a polysiloxane which contains amino groups and a fatty acid.
    Type: Grant
    Filed: November 6, 1974
    Date of Patent: November 23, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf VON Bonin, Helmut Kleimann, Armand DE Montigny, Jozsef Ivanyi