Patents by Inventor Russell H. Raines

Russell H. Raines 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).

  • Use of low M.S. hydroxyethyl cellulose for fluid loss control in oil well applications
    Patent number: 4629573
    Abstract: Improved drilling operations for recovery of gas and/or oil from a porous subterranean formation are achieved using a drilling fluid, circulated in a well penetrating the subterranean formation, which minimizes loss of said drilling fluid into the surrounding porous formation. The improvement comprises employing a drilling fluid comprising water and an effective amount of hydroxyethyl cellulose having a molar substitution value of from about 1.1 to about 1.6, and an apparent viscosity in water of at least about 15 cps.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: December 16, 1986
    Assignee: Union Carbide Corporation
    Inventor: Russell H. Raines
  • Print paste formulations with hydroxyalkyl carboxyalkyl cellulose
    Patent number: 4192647
    Abstract: A print paste formulation, useful in the printing of carpets and fabrics, comprising hydroalkyl carboxyalkyl cellulose as the thickening agent, a dye, and water as the carrier.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: March 11, 1980
    Assignee: Union Carbide Corporation
    Inventors: William C. Kuryla, Russell H. Raines