Patents by Inventor Fredrich A. Soch

Fredrich A. Soch 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).

  • Fluorochemical foam stabilizer and foamed polyurethanes made therewith
    Patent number: 4356273
    Abstract: Active hydrogen-containing fluorochemical is used as a foam stabilizer in preparing polyurethane foams. For example, rigid or flexible polyurethane foams with high or low density and uniform cellular structure are prepared using fluoroaliphatic radical-substituted poly(oxyalkylene) polyols as foam stabilizers.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: October 26, 1982
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Fredrich A. Soch
  • Fluorochemical foam stabilizer and foamed polyurethanes made therewith
    Patent number: 4289892
    Abstract: Active hydrogen-containing fluorochemical is used as a foam stabilizer for polyurethane foams. For example, rigid or flexible polyurethane foams with high or low density and uniform cellular structure are prepared using fluoroaliphatic radical-substituted poly(oxyalkylene) polyols as foam stabilizers.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: September 15, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Fredrich A. Soch