Patents by Inventor Gregory G. Hlatkey

Gregory G. Hlatkey 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).

  • Method for preparing alpha-olefin/cycloolefin copolymers
    Patent number: 5635573
    Abstract: Cycloolefin/alpha-olefin copolymers in a molar ratio from 5/95 to 95/5, optionally including long linear alpha-olefin, branched alpha-olefins and/or polyenes as additional comonomers, are prepared using a cyclopentadienyl metallocene catalyst system based on a transition metal compound from Group 4 of the Periodic Table of Elements. The copolymers have a high molecular weight, a narrow molecular weight distribution and a substantially uniform, random comonomer distribution.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: June 3, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Bruce A. Harrington, Gregory G. Hlatkey, Jo Ann M. Canich, Natalie A. Merrill