Patents by Inventor Max KELLERMANN

Max KELLERMANN 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).

  • Sequestering of crystalline silicon dioxide
    Patent number: 12325640
    Abstract: A process for treating crystalline silicon dioxide, comprising the step of grinding a crystalline silicon dioxide together with from 0.05 to 1.00% by weight of a substance selected from the group consisting of polyhydric alcohols, kaolin, aluminum alcoholates, and mixtures thereof.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: June 10, 2025
    Assignee: QUARZWERKE GmbH
    Inventors: Jörg Ulrich Zilles, Max Kellermann, Paul Páez-Maletz
  • SEQUESTERING OF CRYSTALLINE SILICON DIOXIDE
    Publication number: 20220162080
    Abstract: A process for treating crystalline silicon dioxide, comprising the step of grinding a crystalline silicon dioxide together with from 0.05 to 1.00% by weight of a substance selected from the group consisting of polyhydric alcohols, kaolin, aluminum alcoholates, and mixtures thereof.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 26, 2022
    Inventors: Jörg Ulrich ZILLES, Max KELLERMANN, Paul PÁEZ-MALETZ