Patents Examined by Umakant K. Rajguru
  • Patent number: 6716902
    Abstract: A transparent, flame retardant polycarbonate composition consisting essentially of an aromatic polycarbonate resin and a flame-retarding amount of a guanidine salt or derivatives thereof, wherein the amount of guanidine salt or derivatives thereof is about 1 wt. % or less.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: April 6, 2004
    Assignee: General Electric Company
    Inventors: James Ross Fishburn, Erwin Marie Alfred Gijzen, Johannes Martinus Dina Goossens, Walter van der Heijden, Henricus Hubertus Maria van Hout, Hendrik Verhoogt
  • Patent number: 5002991
    Abstract: An antistatic resin composition comprising the components (1) and (2) shown below:component (1): an ethylene random copolymer having a melt flow rate of 0.1 to 50 g/10 min.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: March 26, 1991
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Hiroyoshi Hamanaka, Tetsuji Kakizaki
  • Patent number: 5002992
    Abstract: An antistatic resin composition comprising the components (1) and (2) shown below:component (1): a propylene copolymer comprising (A) and/or (B) shown below:(A) a propylene random copolymer having a melt flow rate of 0.1 to 70 g/10 min. obtained by feeding 0.5 to 4.0% by weight of ethylene, 66.0 to 98.5% by weight of propylene and 1.0 to 30.0% by weight of an .alpha.-olefin having 4 to 12 carbon atoms (all ratios based on the total amount of the three components) into a polymerization system;(B) a propylene random copolymer having a melt flow rate of 0.1 to 70 g/10 min. obtained by feeding 2.5 to 10.0% by weight of ethylene and 90.0 to 97.
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: March 26, 1991
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Hiroyoshi Hamanaka, Tetsuji Kakizaki