Patents by Inventor James M. Seheult

James M. Seheult 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).

  • Carrier fluid for the suspension and delivery of water soluble polymers
    Patent number: 5362312
    Abstract: A liquid carrier fluid that is used as a carrier system to suspend and deliver water soluble polymers which act to adjust the rheological properties of the aqueous systems to which they are added.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: November 8, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Bryan Skaggs, Mike O'Brien, James M. Seheult, John M. Swazey
  • Welan gum-ethylene glycol insulating compositions
    Patent number: 5290768
    Abstract: An ethylene glycol composition containing a glycol-compatible welan gum having unique viscosity and thermal properties. The composition is especially suitable as an insulation material.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: March 1, 1994
    Assignee: Merck & Co., Inc.
    Inventors: A. Michael Ramsay, Gail Trimble, James M. Seheult, Michael S. O'Brien
  • Spacer fluid
    Patent number: 4717488
    Abstract: A spacer fluid for use in oil well drilling applications is disclosed. The fluid is prepared from a slurry comprising 25-60% heteropolysaccharide S-130, 0.5-6% organophilic clay, 30-70% solvent, up to 10% surfactant, and up to 6% methanol or isopropanol.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: January 5, 1988
    Assignee: Merck Co., Inc.
    Inventors: James M. Seheult, Ernest L. Grebe