Patents by Inventor Frank Bertram Polzer

Frank Bertram Polzer 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).

  • Patent number: 12448549
    Abstract: Disclosed herein are D3 water-resistant adhesive compositions comprising aqueous copolymer dispersions and uses of such compositions. The compositions are useful as binders for porous and semi-porous substrates such as wood, paper, and/or board. Importantly, the adhesive compositions have very low formaldehyde content and little or no plasticizer content.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: October 21, 2025
    Assignee: Celanese International Corporation
    Inventors: Frank Bertram Polzer, Daniela Hardt
  • Publication number: 20220267651
    Abstract: Disclosed herein are D3 water-resistant adhesive compositions comprising aqueous copolymer dispersions and uses of such compositions. The compositions are useful as binders for porous and semi-porous substrates such as wood, paper, and/or board. Importantly, the adhesive compositions have very low formaldehyde content and little or no plasticizer content.
    Type: Application
    Filed: February 10, 2022
    Publication date: August 25, 2022
    Inventors: Frank Bertram Polzer, Daniela Hardt