Patents by Inventor Kevin Francis Mansfield

Kevin Francis Mansfield 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).

  • Silicone surfactants for the production of open cell polyurethane flexible foams
    Patent number: 6239186
    Abstract: A method for preparing a polyurethane flexible foam which comprises reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a cell opener, and a polydimethylsiloxane cell stabilizer composition which comprises at least 90 wt % of polydimethylsiloxane molecules having the formula: Me3Si(OSiMe2)nOSiMe3 where n is 5 to 7, provided at least 15 wt % of each of the three molecules in which n is 5, 6 and 7 is present.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: May 29, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin Francis Mansfield, David Robert Battice, Allen Robert Arnold, Jr., Stephan Herman Wendel, John Herbert Frey