Patents by Inventor Kurt S. Gerken

Kurt S. Gerken 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: 6787506
    Abstract: A method of reducing friction resulting from turbulent flow in an aqueous fracturing fluid in an oil field fracturing process comprising adding to the aqueous fracturing fluid an effective friction-reducing amount of one or more dispersion polymers, wherein the dispersion polymer is composed of from about 5 to about 95 mole percent of one or more nonionic monomers and from about 95 to about 5 mole percent of one or more cationic or anionic monomers and has a molecular weight of at least 100,000.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: September 7, 2004
    Assignee: Nalco Energy Services, L.P.
    Inventors: Cecil C. Blair, Kin-Tai Chang, Duane S. Treybig, Kurt S. Gerken
  • Publication number: 20030191030
    Abstract: A method of reducing friction resulting from turbulent flow in an aqueous fracturing fluid in an oil field fracturing process comprising adding to the aqueous fracturing fluid an effective friction-reducing amount of one or more dispersion polymers, wherein the dispersion polymer is composed of from about 5 to about 95 mole percent of one or more nonionic monomers and from about 95 to about 5 mole percent of one or more cationic or anionic monomers and has a molecular weight of at least 100,000.
    Type: Application
    Filed: April 3, 2002
    Publication date: October 9, 2003
    Inventors: Cecil C. Blair, Kin-Tai Chang, Duane S. Treybig, Kurt S. Gerken