Patents by Inventor Alan Crowe

Alan Crowe 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).

  • Thermosetting moulding compositions
    Patent number: 3975353
    Abstract: Sheet moulding compounds based on thermosetting unsaturated polyester resins contain a saturated liquid polyester having a melting point below 30.degree.C, for example polypropylene adipate or polypropylene sebacate to prevent shrinkage during moulding, and a thermoplastic polymer consisting essentially of polymerized caprolactone units to prevent exudation of the saturated liquid polyester during moulding.
    Type: Grant
    Filed: May 15, 1972
    Date of Patent: August 17, 1976
    Assignee: PB Chemicals International Limited
    Inventors: Alan Crowe, David Philip Fry