Patents by Inventor Gerald J. Gillespie

Gerald J. Gillespie 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).

  • Thermoset epoxy foam compositions and a method of preparing the same
    Patent number: 4090986
    Abstract: Thermoset epoxy foams are produced from an epoxy resin, delta-1-tetrahydrophthalic anhydride, and an amine accelerator. These compounds are mixed in resin-foaming amounts to produce a foamable mixture to which typical foam additives like auxiliary blowing agents, surfactants, microscopic spheres, etc., may also be added. This foamable mixture is heated at a temperature of at least 115.degree. C. to foam and cure the mixture to produce thermoset epoxy foams.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: May 23, 1978
    Assignee: Koppers Company, Inc.
    Inventors: William T. Gormley, Gerald J. Gillespie