Patents by Inventor Achim Meyer

Achim Meyer 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: 12122869
    Abstract: The present invention relates to a polyisocyanate composition, comprising a mixture of ?60 wt. %, relative to the total weight of the mixture, of at least one polyisocyanate based on pentamethylene diisocyanate and ?40 wt. %, relative to the total weight of the mixture, of at least one polyisocyanate based on a cycloaliphatic diisocyanate and and/or of at least one polyisocyanate based on pentamethylene diisocyanate and at least one cycloaliphatic diisocyanate, the polyisocyanate composition having a residual monomer content of monomer diisocyanates below 0.5 wt. %, relative to the total weight of the polyisocyanate composition.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: October 22, 2024
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Andreas Hecking, Christoph Eggert, Nusret Yuva, Achim Meyer
  • Publication number: 20220010053
    Abstract: The present invention relates to a polyisocyanate composition, comprising a mixture of ?60 wt. %, relative to the total weight of the mixture, of at least one polyisocyanate based on pentamethylene diisocyanate and ?40 wt. %, relative to the total weight of the mixture, of at least one polyisocyanate based on a cycloaliphatic diisocyanate and and/or of at least one polyisocyanate based on pentamethylene diisocyanate and at least one cycloaliphatic diisocyanate, the polyisocyanate composition having a residual monomer content of monomer diisocyanates below 0.5 wt. %, relative to the total weight of the polyisocyanate composition.
    Type: Application
    Filed: November 21, 2019
    Publication date: January 13, 2022
    Inventors: Andreas Hecking, Christoph Eggert, Nusret Yuva, Achim Meyer
  • Publication number: 20180155574
    Abstract: The invention relates to a polyisocyanate composition based on 1,5-diisocyanatopentane, to a method for the production thereof and to the use thereof for producing polyurethane plastics. The invention also relates to a coating agent containing the polyisocyanate composition and to the coating obtained from the coating agent.
    Type: Application
    Filed: March 14, 2016
    Publication date: June 7, 2018
    Inventors: Hans-Josef Laas, Christoph Eggert, Nusret Yuva, Achim Meyer, Gesa Behnken, Andreas Hecking