Patents by Inventor Stephen WEINER

Stephen WEINER 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).

  • Synthetic co-crystals of anhydrous guanine and process for preparing the same
    Patent number: 12473287
    Abstract: This invention is directed to synthetic co-crystals of anhydrous guanine and at least one additional material, wherein the co-crystals have a high refraction index and therefore, provide products with pearlescence or whiteness with high coverage. The invention is further directed to a process for the preparation of anhydrous guanine and of the co-crystals.
    Type: Grant
    Filed: December 29, 2023
    Date of Patent: November 18, 2025
    Assignee: EcoCrystal Ltd.
    Inventors: Dvir Gur, Lia Addadi, Stephen Weiner
  • SYNTHETIC CO-CRYSTALS OF ANHYDROUS GUANINE AND PROCESS FOR PREPARING THE SAME
    Publication number: 20240208977
    Abstract: This invention is directed to synthetic co-crystals of anhydrous guanine and at least one additional material, wherein the co-crystals have a high refraction index and therefore, provide products with pearlescence or whiteness with high coverage. The invention is further directed to a process for the preparation of anhydrous guanine and of the co crystals.
    Type: Application
    Filed: December 29, 2023
    Publication date: June 27, 2024
    Applicant: EcoCrystal Ltd.
    Inventors: Dvir GUR, Lia ADDADI, Stephen WEINER
  • SYNTHETIC CO-CRYSTALS OF ANHYDROUS GUANINE AND PROCESS FOR PREPARING THE SAME
    Publication number: 20190211016
    Abstract: This invention is directed to synthetic co-crystals of anhydrous guanine and at least one additional material, wherein the co-crystals have a high refraction index and therefore, provide products with pearlescence or whiteness with high coverage. The invention is further directed to a process for the preparation of anhydrous guanine and of the co crystals.
    Type: Application
    Filed: June 21, 2017
    Publication date: July 11, 2019
    Applicant: YEDA RESEARCH AND DEVELOPMENT CO. LTD.
    Inventors: Dvir GUR, Lia ADDADI, Stephen WEINER