Patents by Inventor Chi-Sung Wu

Chi-Sung Wu 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).

  • Ethylene polymerization with silane modified catalyst
    Patent number: 4086408
    Abstract: Supported bis-cyclopentadienyl chromium [II] catalysts are modified with compounds having in their structure the moiety ##STR1## IN ORDER TO IMPROVE THE TOUGHNESS AND IMPACT STRENGTH OF THE RESULTING ETHYLENE POLYMERS MADE THEREWITH.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: April 25, 1978
    Assignee: Union Carbide Corporation
    Inventors: Frederick John Karol, Chi-Sung Wu
  • Ethylene polymerization with siloxane modified catalyst
    Patent number: 4086409
    Abstract: Supported bis-cyclopentadienyl chromium [II] catalysts are modified with compounds having in their structure the moiety ##STR1## IN ORDER TO IMPROVE THE TOUGHNESS AND IMPACT STRENGTH OF THE RESULTING ETHYLENE POLYMERS MADE THEREWITH.
    Type: Grant
    Filed: May 19, 1976
    Date of Patent: April 25, 1978
    Assignee: Union Carbide Corporation
    Inventors: Frederick John Karol, Chi-Sung Wu