Patents by Inventor Charles R. Bunting

Charles R. Bunting 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).

  • Gelling system for hydrocarbon fluids
    Patent number: 6248699
    Abstract: The present invention relates to a gelled hydrocarbon fluid useful as a fracturing fluid in subterranean formations comprising at least one gelling agent which is a salt of a carboxylic acid having from about 6 to about 30 carbon atoms. An activator which is a difunctional and/or trifunctional carboxylic acid is preferably added to control gel time.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: June 19, 2001
    Assignee: Crompton Corporation
    Inventors: Shankar Subramanian, Yun-peng Zhu, Charles R. Bunting, RoseMarie E. Stewart
  • Fatty alkly diethanolamines to stabilize the optical clarity of polyols containing zinc fatty acid salts
    Patent number: 5741865
    Abstract: The tendency to opacify of a polyol composition comprising one or more zinc fatty acid salts such as zinc stearate, added to form a mold release agent when the polyol is converted to a molded polyurethane article, is retarded by the presence of a small but effective amount of one or more fatty alkyl diethoxylate (e.g. diethanolamine) compounds.
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: April 21, 1998
    Assignee: Witco Corporation
    Inventors: Charles R. Bunting, Donald G. Zelhart