Patents by Inventor Carol Hawkins

Carol Hawkins 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).

  • Aqueous dispersion of adsorbing polymer particles and crosslinkable polymer particles
    Patent number: 10435582
    Abstract: The present invention relates to composition comprising a) first polymer particles that are functionalized with structural units of a TiO2-adsorbing monomer, and second polymer particles that are functionalized with structural units of diacetone acrylamide; and b) a dihydrazide or a diamine crosslinking agent, based on the weight of the composition. Coatings prepared from the composition of the present invention shows improved hardness and gloss.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: October 8, 2019
    Assignee: Rohm and Haas Company
    Inventors: James C. Bohling, Carol Hawkins, Anna Kvecher, Pu Luo, Partha S. Majumdar
  • AQUEOUS DISPERSION OF ADSORBING POLYMER PARTICLES AND CROSSLINKABLE POLYMER PARTICLES
    Publication number: 20180094160
    Abstract: The present invention relates to composition comprising a) first polymer particles that are functionalized with structural units of a TiO2-adsorbing monomer, and second polymer particles that are functionalized with structural units of diacetone acrylamide; and b) a dihydrazide or a diamine crosslinking agent, based on the weight of the composition. Coatings prepared from the composition of the present invention shows improved hardness and gloss.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 5, 2018
    Inventors: James C. Bohling, Carol Hawkins, Anna Kvecher, Pu Luo, Partha S. Majumdar