Patents by Inventor Ping Y. Liu

Ping Y. Liu 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: 4463132
    Abstract: A novel thermoplastic composition is disclosed which is based on polyolefin and a block copolymer of a dihydric phenolic monomer, a carbonate precursor and a polyphenylene oxide resin. These compositions may be used as molding resins and have better compatibility than admixtures of aromatic polycarbonate and a polyolefin.
    Type: Grant
    Filed: June 15, 1983
    Date of Patent: July 31, 1984
    Assignee: General Electric Company
    Inventors: John A. Tyrell, Ping Y. Liu, Gary L. Freimiller
  • Patent number: 4456725
    Abstract: A composition of an aromatic of an aromatic carbon polymer, an acrylate impact modifier and an aliphatic hydrocarbon low temperature impact modifier.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: June 26, 1984
    Assignee: General Electric Company
    Inventors: Ping Y. Liu, Niles R. Rosenquist
  • Patent number: 4456926
    Abstract: An apparatus and method is disclosed for generating a processed video signal representative of an x-ray image. A filter function is employed that is retrospectively matched to the temporal response of a bolus of contrast material passing through a body region of interest.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: June 26, 1984
    Assignee: Thomson-CSF Broadcast, Inc.
    Inventors: Robert A. Kruger, Stanley N. Baron, Ping Y. Liu
  • Patent number: 4454287
    Abstract: Compositions of a thermoplastic polyolefin resin reinforced with glass fibers and including a minor amount of a high molecular weight aromatic polycarbonate resin as a impact modifier.
    Type: Grant
    Filed: December 22, 1982
    Date of Patent: June 12, 1984
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4444949
    Abstract: A novel composition which comprises(a) an aromatic carbonate polymer,(b) a butadiene-styrene copolymer, and an(c) acrylate copolymer which is a copolymer of a C.sub.1 -C.sub.5 acrylate and a C.sub.1 -C.sub.5 methacrylate.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: April 24, 1984
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4438231
    Abstract: The compositions of the invention comprise from about 70 to 85 parts by weight of a high molecular weight polycarbonate resin, from about 10 to 30 parts by weight of a copolymer of tetrabromobisphenol-A and bisphenol-A, from about 1 to 5 parts by weight of a multiphase composite interpolymer of an acrylate and a methacrylate, from about 0.5 to 5 parts by weight of a copolymer of an olefin and acrylate and an effective amount of a flame retardant alkali metal salt.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: March 20, 1984
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4430476
    Abstract: Novel thermoplastic molding compositions are disclosed which comprise a polycarbonate resin, an alkenyl aromatic copolymer and a linear low density polyolefin.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: February 7, 1984
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4424303
    Abstract: A composition comprising an aromatic polycarbonate, a styrene-butadiene-styrene radial block copolymer and an acrylate copolymer useful in molded articles.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: January 3, 1984
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4401785
    Abstract: Novel thermoplastic molding compositions that are stabilized against hydrolytic degradation comprising an aromatic polyester-carbonate resin and a linear low density polyolefin resin having a density of about 0.89 to 0.96 gm/cc.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: August 30, 1983
    Assignee: General Electric Company
    Inventors: Ping Y. Liu, Kenneth F. Miller
  • Patent number: 4397982
    Abstract: Novel thermoplastic molding compositions of a polycarbonate, a linear low density polyolefin, a multiphase composite interpolymer of an acrylate and a methacrylate are disclosed which have good impact strengths and reprocessability.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: August 9, 1983
    Assignee: General Electric Company
    Inventors: Omar M. Boutni, Ping Y. Liu
  • Patent number: 4390657
    Abstract: This application discloses novel thermoplastic molding compositions of a polycarbonate, a copolymer which comprises acrylonitrile-butadiene-alkenyl aromatic compound and a multiphase acrylic interpolymer.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: June 28, 1983
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4340683
    Abstract: The present invention is concerned with ternary polycarbonate compositions having improved impact strength. The ternary compositions comprise a mixture of thermoplastic, aromatic polycarbonates which are derived from aromatic dihydroxy compounds, an acrylate copolymer and a polyolefin and its oxide.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: July 20, 1982
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4320212
    Abstract: Ternary compositions are disclosed which comprise a mixture of a high molecular weight thermoplastic, aromatic polycarbonate, an acrylate copolymer, and thermoplastic polyester.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: March 16, 1982
    Assignee: General Electric Co.
    Inventor: Ping Y. Liu
  • Patent number: 4263416
    Abstract: The present invention is concerned with ternary polycarbonate compositions having improved impact strength. The ternary compositions comprise a mixture of thermoplastic, aromatic polycarbonates which are derived from aromatic dihydroxy compounds, an acrylate copolymer, and an organic silicone compound.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: April 21, 1981
    Assignee: General Electric Company
    Inventors: Ping Y. Liu, Edwin J. Goedde
  • Patent number: 4263415
    Abstract: The present invention is concerned with ternary polycarbonate compositions having improved impact strength. The ternary compositions comprise a mixture of thermoplastic, aromatic polycarbonates which are derived from aromatic dihydroxy compounds, an acrylate copolymer, and a butadiene-styrene copolymer.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: April 21, 1981
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4260693
    Abstract: The present invention is concerned with ternary polycarbonate compositions having improved impact strength. The ternary compositions comprise a mixture of thermoplastic, aromatic polycarbonates which are derived from aromatic dihydroxy compounds, an olefin-acrylate copolymer, and an acrylate copolymer.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: April 7, 1981
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4255534
    Abstract: Binary compositions are disclosed which comprise a mixture of a high molecular weight thermoplastic, aromatic polycarbonate and a styrene/butadiene/caprolactone block copolymer.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: March 10, 1981
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4251647
    Abstract: Ternary compositions are disclosed which comprise a mixture of a high molecular weight thermoplastic, aromatic polycarbonate, a styrene/butadiene/caprolactone block copolymer, and either an acrylate copolymer or an olefin-acrylate copolymer.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: February 17, 1981
    Assignee: General Electric Company
    Inventor: Ping Y. Liu
  • Patent number: 4245058
    Abstract: The present invention is concerned with ternary polycarbonate compositions having improved impact strength. The ternary compositions comprise a mixture of thermoplastic, aromatic polycarbonates which are derived from aromatic dihydroxy compounds, an acrylate copolymer and a polyolefin.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: January 13, 1981
    Assignee: General Electric Company
    Inventor: Ping Y. Liu