Patents by Inventor Gerald N. Nicholl

Gerald N. Nicholl 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).

  • Reinforced shaped article
    Patent number: 4784904
    Abstract: The invention relates to a method for producing shaped articles comprising a thermoplastics show surface and a backing layer of a rigid polyurethane or polyisocyanurate foam by applying a foamable polyurethane or polyisocyanurate composition which is substantially free from appreciable amounts of halocarbon blowing agents, in a closed mould to one face of a shaped thermoplastic sheet provided to one of the matching parts constituting said mould.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: November 15, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventors: Richard Wood, Gerald N. Nicholl