Patents by Inventor Robert P. Simko

Robert P. Simko 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: 7981848
    Abstract: The present invention relates to the use of a polyalkylmethacrylate polymer to improve the air release of a functional fluid.
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: July 19, 2011
    Assignee: Evonik Rohmax Additives GmbH
    Inventors: Douglas G. Placek, Christian D. Neveu, Roland Schweder, Robert P. Simko, Charles W. Hyndman
  • Publication number: 20100144569
    Abstract: The present invention relates to the use of a polyalkylmethacrylate polymer to improve the air release of a functional fluid.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 10, 2010
    Applicant: ROHMAX ADDITIVES GMBH
    Inventors: Douglas G. Placek, Christian D. Neveu, Roland Schweder, Robert P. Simko, Charles W. Hyndman
  • Patent number: 7648950
    Abstract: The present invention relates to the use of a polyalkylmethacrylate polymer to improve the air release of a functional fluid.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: January 19, 2010
    Assignee: Rohmax Additives GmbH
    Inventors: Douglas G. Placek, Christian D. Neveu, Roland Schweder, Robert P. Simko, Charles W. Hyndman
  • Patent number: 7470381
    Abstract: The present invention concerns a functional fluid comprising A) 1 to 99% by weight based on the total weight of the functional fluid of alkyl(meth)acrylate polymers obtainable by polymerizing a mixture of olefinically unsaturated monomers and B) 1 to 99% by weight based on the total weight of the functional fluid of an oxygen containing compound selected from to group of organophosphorus compounds, carboxylic acid esters and/or polyether polyols.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: December 30, 2008
    Assignee: RohMax Additives GmbH
    Inventors: Douglas G. Placek, Bernhard G. Kinker, David J. Cooper, Jr., Robert P. Simko