Patents by Inventor Wietze BAKKER

Wietze BAKKER 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).

  • Tackifier for adhesive composition
    Patent number: 12091500
    Abstract: The invention relates to use of a polyester comprising monomer repeating units from (A) a hydrogenated bisphenol, (B) a diol, (C) a dicarboxylic acid or its anhydride as a tackifier of an adhesive composition, wherein (C) comprises (C1) an aliphatic dicarboxylic acid or its anhydride.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: September 17, 2024
    Assignee: LAWTER, INC.
    Inventors: Keijirou Okawachi, Hironori Matsushima, John Hazen, Wietze Bakker, Massimiliano Giacomelli Penon
  • TACKIFIER FOR ADHESIVE COMPOSITION
    Publication number: 20240228697
    Abstract: The invention relates to use of a polyester comprising monomer repeating units from (A) a hydrogenated bisphenol. (B) a diol. (C) a dicarboxylic acid or its anhydride as a tackifier of an adhesive composition, wherein (C) comprises (C1) an aliphatic dicarboxylic acid or its anhydride.
    Type: Application
    Filed: April 25, 2022
    Publication date: July 11, 2024
    Inventors: Keijirou OKAWACHI, Hironori MATSUSHIMA, John HAZEN, Wietze BAKKER, Massimiliano GIACOMELLI PENON
  • RESIN COMPOSITION FOR AQUEOUS INK
    Publication number: 20230033455
    Abstract: A resin composition for an aqueous ink includes a base resin, an aqueous dispersion medium, and an emulsifier. The base resin includes a rosin-modified alkyd resin. The emulsifier includes an anionic emulsifier and a nonionic emulsifier. The anionic emulsifier includes an oxyalkylene-containing anionic emulsifier. An HLB value of the nonionic emulsifier is 16.0 or more and 20.0 or less.
    Type: Application
    Filed: December 3, 2020
    Publication date: February 2, 2023
    Applicant: Harima Chemicals, Incorporated
    Inventors: Dario ZILLI, Hironori MATSUSHIMA, Dave KIL, Wietze BAKKER, David BAINBRIDGE