Patents by Inventor Kellen E. O'Brien

Kellen E. O'Brien 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).

  • SUSTAINABLE HYBRID REACTIVE HOT MELT ADHESIVE COMPOSITIONS
    Publication number: 20250129268
    Abstract: The invention features a hybrid reactive hot melt adhesive composition including a polyester polyether copolymer, a thermoplastic polymer different from the polyester polyether copolymer, a tackifying agent, and a polyurethane prepolymer derived from a sustainable polyol, and a polyfunctional isocyanate having a functionality of 2 or more, wherein at least one of the group consisting of the polyester polyether copolymer, the thermoplastic polymer and the tackifying agent is a sustainable component.
    Type: Application
    Filed: August 16, 2022
    Publication date: April 24, 2025
    Inventors: Chao Wang, Kellen E. O'Brien
  • Fast set moisture curable hot melt adhesive composition and articles including the same
    Patent number: 11732166
    Abstract: A moisture curable hot melt adhesive composition that includes isocyanate-terminated polyurethane prepolymer that includes the reaction product of a crystalline polyester polyol, a polyether polyol, and diisocyanate, clay, polyester/polyether elastomer, a first thermoplastic polymer selected from the group consisting of ethylene vinyl acetate copolymer, ethylene (alkyl)acrylate copolymer, and combinations thereof, a tackifying agent, and optionally a second thermoplastic polymer selected from the group consisting of thermoplastic polyurethane, thermoplastic polycaprolactone, and combinations thereof.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: August 22, 2023
    Assignee: H.B. Fuller Company
    Inventors: Kellen E. O'Brien, Marlen A. Valverde, Chao Wang, Chue Moua
  • FAST SET MOISTURE CURABLE HOT MELT ADHESIVE COMPOSITION AND ARTICLES INCLUDING THE SAME
    Publication number: 20210062055
    Abstract: A moisture curable hot melt adhesive composition that includes isocyanate-terminated polyurethane prepolymer that includes the reaction product of a crystalline polyester polyol, a polyether polyol, and diisocyanate, clay, polyester/polyether elastomer, a first thermoplastic polymer selected from the group consisting of ethylene vinyl acetate copolymer, ethylene (alkyl)acrylate copolymer, and combinations thereof, a tackifying agent, and optionally a second thermoplastic polymer selected from the group consisting of thermoplastic polyurethane, thermoplastic polycaprolactone, and combinations thereof.
    Type: Application
    Filed: August 26, 2020
    Publication date: March 4, 2021
    Inventors: Kellen E. O'Brien, Marlen A. Valverde, Chao Wang, Chue Moua