Patents by Inventor Steven P. Broadwater

Steven P. Broadwater 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).

  • Processing aids and polymer formulations containing the same and method for producing the same
    Patent number: 9908958
    Abstract: A multi-stage emulsion processing aid polymer comprising one or more functionalized ethylenically unsaturated monomer into the emulsion polymerization reactor, wherein the functionality is selected from the group consisting of ?-keto esters, ?-keto amides, ?-diketones, cyanoacetic esters, malonates, nitroalkanes, ?-nitro esters, sulfonazides, thiols, thiol-s-triazines, and amine, where the functionality is incorporated into polymers by polymerizing, ethylenically unsaturated monomers containing these functionalities or by post functionalization of a polymer with additional reactions after polymerization in one of the first or second stages. Foamable halogenated polymers comprising the multi-stage emulsion processing aid polymer is also provided. Also provided are methods for making the multi-stage emulsion processing aid polymer and foamable halogenated polymers.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: March 6, 2018
    Assignee: Rohm and Haas Company
    Inventors: Paul R. Van Rheenen, Steven P. Broadwater
  • Processing Aids and Polymer Formulations Containing the Same and Method for Producing the Same
    Publication number: 20140371396
    Abstract: A multi-stage emulsion processing aid polymer comprising one or more functionalized ethylenically unsaturated monomer into the emulsion polymerization reactor, wherein the functionality is selected from the group consisting of ?-keto esters, ?-keto amides, ?-diketones, cyanoacetic esters, malonates, nitroalkanes, ?-nitro esters, sulfonazides, thiols, thiol-s-triazines, and amine, where the functionality is incorporated into polymers by polymerizing, ethylenically unsaturated monomers containing these functionalities or by post functionalization of a polymer with additional reactions after polymerization in one of the first or second stages. Foamable halogenated polymers comprising the multi-stage emulsion processing aid polymer is also provided. Also provided are methods for making the multi-stage emulsion processing aid polymer and foamable halogenated polymers.
    Type: Application
    Filed: December 28, 2011
    Publication date: December 18, 2014
    Inventors: Paul R. Van Rheenen, Steven P. Broadwater