Patents by Inventor Dmitriy A. SHAPOSHNIKOV

Dmitriy A. SHAPOSHNIKOV 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).

  • Highly pure thionated polymers
    Patent number: 11649324
    Abstract: Provided are thionated polymers comprising one or more aromatic groups and at least one Sx group, wherein x is 1-200, wherein the thionated polymer comprises about 50% by weight or less, based on the weight of the thionated polymer, of substituents on the backbone of the thionated polymer that absorb at a wavelength of about 700 to about 6200 nm. Also provided are substrates such as films, glass substrates, and optical devices comprising a thionated polymer and processes for preparing a thionated polymer described herein.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 16, 2023
    Assignee: Brimstone Holding LLC
    Inventors: Dmitriy A. Shaposhnikov, Rinat R. Akhmetshin
  • Highly Pure Thionated Polymers
    Publication number: 20210355281
    Abstract: The present disclosure provides thionated polymers, comprising one or more aromatic groups and at least one Sx group, wherein x is 1-200, wherein the thionated polymer comprises about 50% by weight or less, based on the weight of the thionated polymer, of substituents on the backbone of the thionated polymer that absorb at a wavelength of about 700 to about 6200 nm. Also provided are substrates such as films, glass substrates, and optical devices comprising a thionated polymer and processes for preparing a thionated polymer described herein.
    Type: Application
    Filed: December 11, 2018
    Publication date: November 18, 2021
    Inventors: Dmitriy A. SHAPOSHNIKOV, Rinat R. AKHMETSHIN