Patents by Inventor Otis M. Baker

Otis M. Baker 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).

  • Soft, low density flexible polyurethane foam
    Patent number: 5500452
    Abstract: A flexible polyurethane foam formulation comprising a first polyol, a second polyol, an unhindered primary diamine or its corresponding carbamate, a diol, water, at least one catalyst, a foam stabilizer and isocyanate is disclosed. No auxiliary blowing agent is required. The resulting soft foams have densities of less than about 2 pcf and 25% IFD values of less than about 10 pounds/50 sq. inches.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: March 19, 1996
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Otis M. Baker, Jr., Frank E. Critchfeld, Paul M. Westfall
  • Process for producing flexible polyurethane foam using hexahydro-s-triazine catalysts
    Patent number: 4902723
    Abstract: Hexahydro-s-triazines, and in particular hexamethylenetetramine (HMT), can be used in high water (5.0 or more parts per hundred parts of polyol) flexible polyurethane foams formulations in place of conventional gellation catalysts to produce open celled molded foams with excellent surfaces and with cores free of discoloration.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: February 20, 1990
    Assignee: Union Carbide Chemicals and Plastics Company Inc.
    Inventors: Otis M. Baker, Frank E. Critchfield, Paul M. Westfall
  • Process for producing flexible polyurethane foam using hexahydro-S-triazine catalysts
    Patent number: 4814359
    Abstract: Hexahydro-s-triazines, and in particular hexamethylenetetramine (HMT), can be used in high water (5.0 or more parts per hundred parts of polyol) flexible polyurethane foams formulations in place of conventional gellation catalysts to produce open celled molded foams with excellent surfaces and with cores free of discoloration.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: March 21, 1989
    Assignee: Union Carbide Corporation
    Inventors: Otis M. Baker, Frank E. Critchfield, Paul M. Westfall