Patents by Inventor Anthony N. Curtis

Anthony N. Curtis 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).

  • Foamed plastic materials
    Patent number: 4843103
    Abstract: Foamed resinous products having excellent fire resistance, high thermal insulation and good resistance to heat are obtained at temperatures as low as room temperature and without the need for an added blowing agent by forming a mixture of a phenolic resole having a specified reactivity, an acid hardener for the resole and, uniformly dispersed through the mixture of resole and hardener, at least 20% by weight of a finely divided inert and insoluble particulate solid; products capable of being employed as wood-substitutes are obtained when a dihydric compound is included in the mixture and the solid is talc, fly ash and/or a hydraulic cement.
    Type: Grant
    Filed: April 2, 1986
    Date of Patent: June 27, 1989
    Assignee: Company "A" (Foam) Limited
    Inventors: Aldino Albertelli, Lothar M. Hohmann, Anthony N. Curtis
  • Foamed plastics materials
    Patent number: 4595710
    Abstract: Foamed resinous products having excellent fire resistance, high thermal insulation and good resistance to heat are obtained at temperatures as low as room temperature and without the need for an added blowing agent by forming a mixture of a phenolic resole having a specified reactivity, an acid hardener for the resole and, uniformly dispersed through the mixture of resole and hardener, at least 20% by weight of a finely divided inert and insoluble particulate solid; products capable of being employed as wood-substitutes are obtained when a dihydric compound is included in the mixture and the solid is talc, fly ash and/or a hydraulic cement.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: June 17, 1986
    Assignee: Company "A" (Foam) Limited
    Inventors: Aldino Albertelli, Lothar M. Hohmann, Anthony N. Curtis