Patents by Inventor Sergej NELL

Sergej NELL 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).

  • POLYSILAZANE HARD COATING COMPOSITIONS
    Publication number: 20240093058
    Abstract: The present invention relates to coating compositions which comprise a silazane polymer (A), a silane coupling agent (B); and inorganic nanoparticles (C), wherein the components (A), (B) and (C) are present in certain ratios. The coating compositions are particularly suitable for the preparation of hard coatings on surfaces of various base material substrates.
    Type: Application
    Filed: January 5, 2022
    Publication date: March 21, 2024
    Applicant: MERCK PATENT GMBH
    Inventors: Ralf GROTTENMUELLER, Sergej NELL, Patrizia LACHNIT, Thomas KRASEMANN
  • POLYSILAZANE POLYBUTADIENE HYBRID COATING COMPOSITION
    Publication number: 20230287241
    Abstract: The present invention relates to new coating compositions for the preparation of functional surface coatings on various base material substrates. The coating compositions are polysilazane polybutadiene hybrid coating compositions which are based on a silazane polymer and a specific functionalized butadiene polymer. The coating compositions are particularly suitable for the preparation of functional surface coatings on various base material substrates to provide improved physical and/or chemical surface properties.
    Type: Application
    Filed: July 26, 2021
    Publication date: September 14, 2023
    Applicant: Merck Patent GmbH
    Inventors: Ralf GROTTENMUELLER, Sergej NELL
  • SURFACE COATING COMPOSITIONS
    Publication number: 20220064483
    Abstract: The present invention relates to new coating compositions for the preparation of functional surface coatings on various base material substrates. The coating compositions are based on a silazane-containing polymer and a fluorine-containing polymer, wherein the fluorine-containing polymer comprises a first repeating unit U1 and a second repeating unit U2. The coating compositions provide improved physical and chemical surface properties and may be applied by user-friendly methods.
    Type: Application
    Filed: October 31, 2019
    Publication date: March 3, 2022
    Applicant: Merck Patent GmbH
    Inventors: Ralf GROTTENMUELLER, Sergej NELL, Susanne WEIDEMANN, Masahiro TANIDA