Patents by Inventor Erich RIES

Erich RIES 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).

  • Process for recycling of bonded articles
    Patent number: 12269247
    Abstract: A method is described for debonding a bonded article. The bonded article comprises at least two components which are bonded to one another by means of a polyurethane adhesive selected from aqueous polyurethane dispersion adhesives and polyurethane hotmelt adhesives. At least one of the components is a thermoplastic polyurethane. The components are debonded by treatment with an aqueous surfactant composition at elevated temperatures.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 8, 2025
    Assignee: BASF SE
    Inventors: Ulrike Licht, Oliver Hartz, Lionel Gehringer, Sabine Bociek, Erich Ries, Juergen Ahlers, Stephan Dohmen
  • PROCESS FOR RECYCLING OF BONDED ARTICLES
    Publication number: 20230211598
    Abstract: A method is described for debonding a bonded article. The bonded article comprises at least two components which are bonded to one another by means of a polyurethane adhesive selected from aqueous polyurethane dispersion adhesives and polyurethane hotmelt adhesives. At least one of the components is a thermoplastic polyurethane. The components are debonded by treatment with an aqueous surfactant composition at elevated temperatures.
    Type: Application
    Filed: May 21, 2021
    Publication date: July 6, 2023
    Inventors: Ulrike LICHT, Oliver HARTZ, Lionel GEHRINGER, Sabine BOCIEK, Erich RIES, Juergen AHLERS, Stephan DOHMEN