Patents by Inventor Phil M. Soland

Phil M. Soland 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).

  • Foam-forming mixtures with decreased decomposition of hydrohalocarbon blowing agents
    Patent number: 5464560
    Abstract: An organic acid having at least two carboxylic acid groups, no tertiary amino groups and a pK.sub.a of up to 3.1 is added to an HCFC blowing agent or to a composition, preferably an isocyanate-reactive composition, in which an HCFC blowing agent is present to reduce decomposition of the HCFC blowing agent. The resultant compositions are useful in the production of polyisocyanurate, polyurethane and/or polyurea foams.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: November 7, 1995
    Assignee: Bayer Corporation
    Inventors: Steven L. Schilling, Robert P. Yeater, Phil M. Soland, John F. Szabat, Harold R. Parsons