Patents by Inventor Martin K. Thompson

Martin K. Thompson 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).

  • Patent number: 4415699
    Abstract: An extruded profiled section characterized in that it has been extruded from a composition comprising a blend of a linear polyamide, a linear polyester containing at least 80% by weight of ethylene terephthalate units and an inorganic fibrous filler wherein the composition contains 5 to 60% by weight of the composition of the filler and the weight ratio of polyamide to polyester is between 1:1 and 49:1, which composition preferably has a melt flow index of not greater than 2 measured according to ASTM-D1238 using a standard die of bore 2.096 mm, length 8 mm and a load of 2.16 kg at a temperature of 285.degree. C.A preferred composition for preparing the extruded profiled section comprises a blend in which the polyamide contains an excess of terminal amino groups, and preferably at least 20 g equivalents of terminal amino groups per 10.sup.6 g of polyamide, in excess of the carboxyl groups.
    Type: Grant
    Filed: June 23, 1981
    Date of Patent: November 15, 1983
    Assignee: Imperial Chemical Industries PLC
    Inventors: Eric Nield, Martin K. Thompson
  • Patent number: 4414358
    Abstract: An extruded profiled section characterized in that it has been extruded from a composition comprising a blend of a linear polyamide, a linear polyester containing at least 80% by weight of ethylene terephthalate units and an inorganic fibrous filler wherein the composition contains 5 to 60% by weight of the composition of the filler and the weight ratio of polyamide to polyester is between 1:1 and 49:1, which composition preferably has a melt flow index of not greater than 2 measured according to ASTM-D1238 using a standard die of bore 2.096 mm, length 8 mm and a load of 2.16 kg at a temperature of 285.degree. C.A preferred composition for preparing the extruded profiled section comprises a blend in which the polyamide contains an excess of terminal amino groups, and preferably at least 20 g equivalents of terminal amino groups per 10.sup.6 g of polyamide, in excess of the carboxyl groups.
    Type: Grant
    Filed: June 23, 1981
    Date of Patent: November 8, 1983
    Assignee: Imperial Chemical Industries PLC
    Inventors: Eric Nield, Martin K. Thompson