Patents by Inventor Jeffrey B. Pedley

Jeffrey B. Pedley 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).

  • Patent number: 4754809
    Abstract: A process for the degradation with acid of a viscous microbial polysaccharide formulation which is applied in oil and/or gas reservoir operations, wherein the polysaccharide formulation contains an amount of a salt or a salt mixture which is sufficient to adjust the transition temperature of the polysaccharide such that it is close to the reservoir operating temperature. A process for the preparation of an acid degradable polysaccharide formulation and a polysaccharide formulation.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: July 5, 1988
    Assignee: Shell Oil Company
    Inventors: Marinus van Zanten, Jeffrey B. Pedley, Phillip L. Sturla
  • Patent number: 4427507
    Abstract: A process is disclosed for separating glycols from an electrolyte-containing aqueous solution comprises electrodialyzing said solution to increase the glycol to electrolyte content and subsequently removing a substantial part of the water.
    Type: Grant
    Filed: October 6, 1982
    Date of Patent: January 24, 1984
    Assignee: Shell Oil Company
    Inventors: Andreas B. van Aken, Petrus B. J. van Diepen, Jeffrey B. Pedley