Patents by Inventor Edward R. Grandbois

Edward R. Grandbois 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).

  • Process for the purification of amorphous ethylene/alphaolefin copolymers
    Patent number: 4754004
    Abstract: Amorphous ethylene/alphaolefin copolymer (optionally additionally containing nonconjugated polyene) is purified by contacting a reaction mass comprising such polymer and live, soluble polymerization catalyst composition with an effective amount of a liquid wash solution comprising at least one member selected from the group consisting of ethane, propane, butane, isobutane, neopentane, propylene, 1-butene 2-butene and isobutene.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: June 28, 1988
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Walter Nudenberg, Edward R. Grandbois, Jamil A. Khan, Robert A. Yates