Patents by Inventor John Papadopulos

John Papadopulos 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).

  • Diffused light transmitter
    Patent number: 8829064
    Abstract: A compound of substantially transparent resin and amorphous silica particulate is disclosed. The silica particulate are nanometric size and dispersed throughout in the resin. The compound can be used to make an article to diffuse and transmit light from a point source of light.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: September 9, 2014
    Assignee: PolyOne Corporation
    Inventors: Roger W. Avakian, John Papadopulos
  • Phosphonium flow enhancers for blends of polycarbonate and polyester
    Patent number: 7858678
    Abstract: A thermoplastic polymer blend is disclosed comprising a polyester, a polycarbonate, and a minor amount of a flow enhancer selected from non-sulfonated phosphonium salts. Optionally, impact modifiers and other conventional additives are included.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: December 28, 2010
    Assignee: PolyOne Corporation
    Inventors: Roger W Avakian, John Papadopulos
  • PHOSPHONIUM FLOW ENHANCERS FOR BLENDS OF POLYCARBONATE AND POLYESTER
    Publication number: 20100222476
    Abstract: A thermoplastic polymer blend is disclosed comprising a polyester, a polycarbonate, and a minor amount of a flow enhancer selected from non-sulfonated phosphonium salts. Optionally, impact modifiers and other conventional additives are included.
    Type: Application
    Filed: May 31, 2007
    Publication date: September 2, 2010
    Applicant: POLYONE CORPORATION
    Inventors: Roger W. Avakian, John Papadopulos
  • Diffused Light Transmitter
    Publication number: 20080262117
    Abstract: A compound of substantially transparent resin and amorphous silica particulate is disclosed. The silica particulate are nanometric size and dispersed throughout in the resin. The compound can be used to make an article to diffuse and transmit light from a point source of light.
    Type: Application
    Filed: December 21, 2006
    Publication date: October 23, 2008
    Applicant: POLYONE CORPORATION
    Inventors: Roger W. Avakian, John Papadopulos