Patents by Inventor Constantine Metaxas

Constantine Metaxas 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 polypropylene sheet having improved appearance and a foamable polypropylene composition therefor
    Patent number: 6562447
    Abstract: Foamable polypropylene composition comprising a polypropylene resin having an D1238L melt flow rate of from about 0.5 to about 30 g/10 min, and a method for extruding rigid, foamed polypropylene sheet with improved surface appearance having a density in the range 0.4 to about 0.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: May 13, 2003
    Assignee: BP Corporation North America Inc.
    Inventors: Jesse Wu, James H. Han, Phil Jacoby, Mark C. Novak, Constantine Metaxas, Chin Choi-Feng, Ray O. Mills, Daan Feng
  • Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor
    Patent number: 6521675
    Abstract: Foamable polypropylene composition comprising a polypropylene resin having an D1238L melt flow rate of from about 0.5 to about 30 g/10 min, and a method for extruding rigid, foamed polypropylene sheet with improved surface appearance having a density in the range 0.4 to about 0.8 g/cm3.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: February 18, 2003
    Assignee: BP Corporation North America Inc.
    Inventors: Jesse Wu, James H. Han, Phil Jacoby, Mark C. Novak, Constantine Metaxas, Chin Choi-Feng, Ray O. Mills
  • Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor
    Publication number: 20020035164
    Abstract: Foamable polypropylene composition comprising a polypropylene resin having an D1238L melt flow rate of from about 0.5 to about 30 g/10 min, and a method for extruding rigid, foamed polypropylene sheet with improved surface appearance having a density in the range 0.4 to about 0.8 g/cm3.
    Type: Application
    Filed: September 25, 2001
    Publication date: March 21, 2002
    Inventors: Jesse Wu, James H. Han, Phil Jacoby, Mark C. Novak, Constantine Metaxas, Chin Choi-Feng, Ray O. Mills, Daan Feng
  • Olefin polymers with improved paintability
    Patent number: 6284833
    Abstract: Injection moldable thermoplastic polyolefin resins containing from about 20 to about 40 wt % EPR dispersed in a continuous highly isotactic polypropylene having good paintability. Reactor prepared resins, or RTPO resins, containing highly isotactic polypropylene and from 20 to 30 wt % of an EPR component comprising from about 40 to about 55 wt % ethylene are particularly attractive for use in the production of automotive trim and fascia.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: September 4, 2001
    Assignee: BP Corporation North America Inc.
    Inventors: Aaron K. Ford, William J. Kissel, Chi-Hung Lin, Helene G. Lollis, Constantine Metaxas, Mary K. Trost