Patents by Inventor Ewen A. Campbell

Ewen A. Campbell 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).

  • Flame-retardant polyolefin compounds and their use in surface coverings
    Patent number: 7393890
    Abstract: A flame-retardant compound is disclosed, comprising a polyolefin alloy and a combination of frame-retardant agents. The polyolefin alloy comprises at least one polyolefin and a metallocene-catalyzed olefin copolymer. The flame-retardant agents comprise a nanoclay and at least one inorganic flame-retardant. An essentially halogen-free flame-retardant compound is preferred. Surface coverings for mammalian-occupied spaces benefit from the properties of the flame-retardant compound.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: July 1, 2008
    Assignee: Polyone Corporation
    Inventors: Ewen A. Campbell, George Noll, Anthony Corbin, Jividean Arbaugh
  • FLAME-RETARDANT POLYOLEFIN COMPOUNDS AND THEIR USE IN SURFACE COVERINGS
    Publication number: 20070287783
    Abstract: A flame-retardant compound is disclosed, comprising a polyolefin alloy and a combination of frame-retardant agents. The polyolefin alloy comprises at least one polyolefin and a metallocene-catalyzed olefin copolymer. The flame-retardant agents comprise a nanoclay and at least one inorganic flame-retardant. An essentially halogen-free flame-retardant compound is preferred. Surface coverings for mammalian-occupied spaces benefit from the properties of the flame-retardant compound.
    Type: Application
    Filed: June 18, 2007
    Publication date: December 13, 2007
    Inventors: Ewen Campbell, George Noll, Anthony Corbin, Jividean Arbaugh
  • Flame-retardant polyolefin compounds and their use in surface coverings
    Publication number: 20070149683
    Abstract: A flame-retardant compound is disclosed, comprising a polyolefin alloy and a combination of frame-retardant agents. The polyolefin alloy comprises at least one polyolefin and a metallocene-catalyzed olefin copolymer. The flame-retardant agents comprise a nanoclay and at least one inorganic flame-retardant. An essentially halogen-free flame-retardant compound is preferred. Surface coverings for mammalian-occupied spaces benefit from the properties of the flame-retardant compound.
    Type: Application
    Filed: June 14, 2004
    Publication date: June 28, 2007
    Inventors: Ewen Campbell, Noll George, Corbin Anthony, Arbaugh Jividean
  • Flame-retardant polyolefin compounds and their use in surface coverings
    Patent number: 7232856
    Abstract: A flame-retardant compound is disclosed, comprising a polyolefin alloy and a combination of flame-retardant agents. The polyolefin alloy comprises at least one polyolefin and a metallocene-catalyzed olefin copolymer. The flame-retardant agents comprise a nanoclay and at least one inorganic flame-retardant. An essentially halogen-free flame-retardant compound is preferred. Surface coverings for mammalian-occupied spaces benefit from the properties of the flame-retardant compound.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: June 19, 2007
    Assignee: PolyOne Corporation
    Inventors: Ewen A. Campbell, George Noll, Anthony Corbin, Jividean Arbaugh
  • Liner with different impressments at opposing surfaces
    Publication number: 20060008619
    Abstract: The invention relates to a film having two major, opposing surfaces and impressments at both opposing surfaces. The film is useful as a liner, especially a waterproof liner such as a shower pan liner. The impressments take the form of at least a line, an indicium, or both. The lines can be rectilinear, curvilinear, or a combination of both in random or organized segments and can be measured in any system of units or combination of units. The indicia impressed at each surface of the waterproof liner can be in the same or different languages.
    Type: Application
    Filed: December 2, 2003
    Publication date: January 12, 2006
    Inventors: Ewen Campbell, Tim Lettie, Joe Powell, John Hornickel