Patents by Inventor William Myers Davis

William Myers Davis 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).

  • Polyolefin block copolymer viscosity modifier
    Patent number: 6110880
    Abstract: A viscosity modifier comprising a low molecular weight block copolymer including A blocks and B blocks, wherein the A blocks comprise at least about 93 wt. % polyethylene and the B blocks comprise a copolymer of between about 40 wt. % to 75 wt. % ethylene and at least one other .alpha.-olefin; wherein the resulting block copolymer has an average ethylene content of between about 60 wt. % to 80 wt. %.
    Type: Grant
    Filed: June 24, 1997
    Date of Patent: August 29, 2000
    Assignee: Exxon Chemical Patents Inc
    Inventors: Gary William Verstrate, Charles Cozewith, Thomas John Pacansky, William Myers Davis, Pratima Rangarajan
  • Multiple reaction process in melt processing equipment
    Patent number: 5651927
    Abstract: Multiple sequential chemical reactions on a polymeric feedstock are carried out in an extruder with multiple reaction zones. Each reaction zone has means for introduction of reagents, for mixing of reagents with polymer and for removal of by/co-products or unreacted reagents.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: July 29, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Richard Stephen Auda, William Myers Davis, David Yen-Lung Chung, Lawrence William Flatley, Jr., Brenton George Jones, Donald Andrew White, Hans Gerlach Woudboer