Patents by Inventor Thomas John Pacansky

Thomas John Pacansky 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
  • Stabilized emulsion inks
    Patent number: 4059554
    Abstract: Stabilized alcohol or water in oil ink emulsions are provided comprising: a pigment, from 20 to 40% by weight resin of a block or graft copolymer having one type of polar segment miscible with water and alkyl alcohols of from 2 to 6 carbon atoms, and another type of non-polar segment which can be absorbed on the pigment and is miscible with the non-polar components of the ink, said copolymer having a number average molecular weight of from 20,000 to 40,000; and a vehicle for said resin and pigment comprising polar and non-polar solvents.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: November 22, 1977
    Assignee: Xerox Corporation
    Inventor: Thomas John Pacansky