Patents by Inventor Jean-Marc Braun

Jean-Marc Braun 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).

  • Drilling fluids and muds containing selected ester oils
    Patent number: 5252554
    Abstract: Invert emulsion muds for drilling of gas and oil, which are environmentally safe, and which contain:A. a continuous oil phase composed predominantly of at least one monocarboxylic acid ester of a C.sub.2 C.sub.12 monofunctional alkanol wherein the monocarboxylic acid contains from 12 to 16 carbon atoms and is aliphatically saturated,B. a disperse aqueous phase,C. at least one emulsifier,D. at least one weighting agent,E. at least one fluid loss additive, andF. a mild alkaline reserve.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: October 12, 1993
    Assignees: Henkel Kommanditgesellschaft auf Aktien, Baroid Limited
    Inventors: Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Douglas J. Grimes, Jean-Marc Braun, Stuart P. T. Smith
  • Use of selected ester oils in drilling fluids and muds
    Patent number: 5232910
    Abstract: Invert emulsion muds for drilling of gas and oil, which are environmentally safe, and which contain:A. a continuous oil phase composed predominantly of at least one monocarboxylic acid ester of a C.sub.2 -C.sub.12 monofunctional alkanol wherein the monocarboxylic acid contains from 16 to 24 carbon atoms and is olefinically mono- or poly-unsaturated,B. a disperse aqeuous phase,C. at least one emulsifier,D. at least one weighting agent,E. at least one fluid loss additive, andF. a mild alkaline reserve.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: August 3, 1993
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Douglas J. Grimes, Jean-Marc Braun, Stuart P. T. Smith
  • Use of selected ester oils in drilling fluids and muds
    Patent number: RE36066
    Abstract: Invert emulsion muds for drilling of gas and oil, which are environmentally safe, and which contain:A. a continuous oil phase composed predominantly of at least one monocarboxylic acid ester of a C.sub.2 -C.sub.12 monofunctional alkalol wherein the monocarboxylic acid contains from 16 to 24 carbon atoms and is olefinically mono- or poly-unsaturated,B. a disperse aqueous phase,C. at least one emulsifier,D. at least one weighing agent,E. at least one fluid loss additive, andF. a mild alkaline reserve.
    Type: Grant
    Filed: August 1, 1995
    Date of Patent: January 26, 1999
    Assignees: Henkel KGaA, Baroid Limited
    Inventors: Heinz Mueller, Claus-Peter Herold, Stephan von Tapavicza, Douglas J. Grimes, Jean-Marc Braun, Stuart P. T. Smith