Patents by Inventor Alastair Cox Harper

Alastair Cox Harper 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).

  • Method for producing fibre-reinforced thermoplastic polymer
    Patent number: 4098927
    Abstract: A method for reducing lace breakage in a process in which a continuous roving is impregnated with a polymer powder before melting and consolidating the impregnated roving, wherein the consolidated lace tension is continuously recorded and the supply of polymer to the roving correspondingly adjusted.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: July 4, 1978
    Assignee: Imperial Chemical Industries Limited
    Inventors: George Derek Gray, Alastair Cox Harper, Brian William Richard Tunnicliffe