Patents by Inventor Christopher Kozak

Christopher Kozak 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).

  • Publication number: 20230250205
    Abstract: The present invention is a composition comprising an aqueous dispersion of first and second polymer particles; and polymeric organic crosslinked microspheres; wherein, the weight-to-weight ratio of second polymer particles to first polymer particles is in the range of from 50:50 to 80:20; and wherein the weight-to-weight ratio of the microspheres to the first and second polymer particles is in the range of from 3:97 to 20:80. The composition of the present invention is useful semi-gloss or satin paint formulations with excellent mar resistance.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 10, 2023
    Inventors: James C. Bohling, Philip R. Harsh, Christopher Kozak, Partha S. Majumdar
  • Publication number: 20230159741
    Abstract: The present invention relates to an aqueous dispersion of polymeric microspheres with a high surface Young's modulus and a relatively low core Young's modulus. The dispersion of the present invention is useful in paint formulations for providing improving hydrophobic stain resistance, for example, resistance to lipstick.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 25, 2023
    Inventors: James C. Bohling, Ibrahim Eryazici, Christopher Kozak, Partha S. Majumdar, Johnpeter N. Ngunjiri
  • Patent number: 10913867
    Abstract: The present invention relates to a matte coating composition comprising an aqueous dispersion of a) polymer particles having an average particle size in the range of from 80 nm to 500 nm; b) polymeric organic crosslinked microspheres having a particle size in the range of from 1 ?m to 20 ?m; c) polyethylene wax particles having a particle size in the range of from 0.3 ?m to 30 ?m; and d) a rheology modifier. The composition of the present invention gives matte finish coatings with excellent burnish resistance.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: February 9, 2021
    Assignee: Rohm and Haas Company
    Inventors: James C. Bohling, Ibrahim Eryazici, Philip R. Harsh, Christopher Kozak, Partha S. Majumdar, Edwin Aloysius Nungesser, Jr., Andrew Swartz
  • Publication number: 20190185687
    Abstract: The present invention relates to a matte coating composition comprising an aqueous dispersion of a) polymer particles having an average particle size in the range of from 80 nm to 500 nm; b) polymeric organic crosslinked microspheres having a particle size in the range of from 1 ?m to 20 ?m; c) polyethylene wax particles having a particle size in the range of from 0.3 ?m to 30 ?m; and d) a rheology modifier. The composition of the present invention gives matte finish coatings with excellent burnish resistance.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 20, 2019
    Inventors: James C. Bohling, Ibrahim Eryazici, Philip R. Harsh, Christopher Kozak, Partha S. Majumdar, Edwin Aloysius Nungesser, JR., Andrew Swartz