Patents by Inventor Steven P. Ceplecha

Steven P. Ceplecha 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).

  • Demulsification compositions, systems and methods for demulsifying and separating aqueous emulsions
    Patent number: 9308474
    Abstract: The present invention provides compositions, systems and methods for demulsifying an emulsion including an aqueous phase and an organic phase by adding an effective amount of a composition comprising at least one quaternary organopolysiloxane or salt thereof to the emulsion, the composition optionally including at least one of quaternary epihalohydrin/polyamine copolymers or salts, and/or (poly)diallyldimethylammonium halides.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: April 12, 2016
    Assignees: KROFF CHEMICAL COMPANY, DOW AGROSCIENCES, LLC
    Inventors: Paul Rey, David M. Sunderlik, Steven P. Ceplecha
  • Demulsification Compositions, Systems and Methods for Demulsifying and Separating Aqueous Emulsions
    Publication number: 20140303265
    Abstract: The present invention provides compositions, systems and methods for demulsifying an emulsion including an aqueous phase and an organic phase by adding an effective amount of a composition comprising at least one quaternary organopolysiloxane or salt thereof to the emulsion, the composition optionally including at least one of quaternary epihalohydrin/polyamine copolymers or salts, and/or (poly)diallyldimethylammonium halides.
    Type: Application
    Filed: June 23, 2014
    Publication date: October 9, 2014
    Inventors: Paul Rey, David M. Sunderlik, Steven P. Ceplecha
  • Demulsification compositions, systems and methods for demulsifying and separating aqueous emulsions
    Patent number: 8796433
    Abstract: The present invention provides compositions, systems and methods for demulsifying an emulsion including an aqueous phase and an organic phase by adding an effective amount of a composition comprising at least one quaternary organopolysiloxane or salt thereof to the emulsion, the composition optionally including at least one of quaternary epihalohydrin/polyamine copolymers or salts, and/or (poly)diallyldimethylammonium halides.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: August 5, 2014
    Assignees: Kroff Chemical Company, Dow Agrosciences LLC
    Inventors: Paul Rey, David M. Sunderlik, Steven P. Ceplecha
  • Demulsification Compositions, Systems and Methods for Demulsifying and Separating Aqueous Emulsions
    Publication number: 20120329915
    Abstract: The present invention provides compositions, systems and methods for demulsifying an emulsion including an aqueous phase and an organic phase by adding an effective amount of a composition comprising at least one quaternary organopolysiloxane or salt thereof to the emulsion, the composition optionally including at least one of quaternary epihalohydrin/polyamine copolymers or salts, and/or (poly)diallyldimethylammonium halides.
    Type: Application
    Filed: September 5, 2012
    Publication date: December 27, 2012
    Applicants: Dow Agroscienses LLC, Kroff Chemical Company
    Inventors: Paul Rey, Steven P. Ceplecha, David M. Sunderlik
  • Demulsification Compositions, Systems and Methods for Demulsifying and Separating Aqueous Emulsions
    Publication number: 20100256244
    Abstract: The present invention provides compositions, systems and methods for demulsifying an emulsion including an aqueous phase and an organic phase by adding an effective amount of a composition comprising at least one quaternary organopolysiloxane or salt thereof to the emulsion, the composition optionally including at least one of quaternary epihalohydrin/polyamine copolymers or salts, and/or (poly)diallyldimethylammonium halides.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 7, 2010
    Applicants: Kroff Chemical Company, Dow AgroSciences, LLC
    Inventors: Paul Rey, Steven P. Ceplecha, David M. Sunderlik