Patents by Inventor Detlef PFEIFER

Detlef PFEIFER 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).

  • Production of composite materials made of film, solid adhesive polymer, and a polyurethane layer
    Patent number: 11850835
    Abstract: Provided herein is a process for the preparation of multilayered composite materials, and also multilayered composite materials which can be obtained according to this process.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: December 26, 2023
    Assignee: BASF COATINGS GMBH
    Inventors: Paul Andrew Simpson, Detlef Pfeifer, Yves Stiwitz
  • PRODUCTION OF COMPOSITE MATERIALS MADE OF FILM, SOLID ADHESIVE POLYMER, AND A POLYURETHANE LAYER
    Publication number: 20200353738
    Abstract: Provided herein is a process for the preparation of multilayered composite materials, and also multilayered composite materials which can be obtained according to this process.
    Type: Application
    Filed: August 14, 2018
    Publication date: November 12, 2020
    Inventors: Paul Andrew Simpson, Detlef Pfeifer, Yves Stiwitz
  • METHOD FOR PRODUCING COMPOSITE MATERIALS
    Publication number: 20180134020
    Abstract: Process for the preparation of multilayered composite materials comprising, as components: (A) a backing material, (B) optionally at least one tie layer and (C) a polymer layer, wherein a) a polymer layer (C) is formed using a mold, b) optionally at least one organic adhesive is applied all over or partially to backing material (A) and/or to polymer layer (C) and then c) polymer layer (C) is bonded with backing material (A) in point, strip or two-dimensional fashion, polymer layer (C) and/or the optionally at least one tie layer (B) being prepared from aqueous polymer dispersions which comprise at least one crosslinking agent C, the at least one crosslinking agent C being at least one polyisocyanate P which is blocked with at least one blocking agent BA.
    Type: Application
    Filed: May 3, 2016
    Publication date: May 17, 2018
    Applicant: BASF SE
    Inventors: Detlef PFEIFER, Georg DREISSIGACKER