Patents by Inventor Ambarish Kumar Singh

Ambarish Kumar Singh 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).

  • UNSYMMETRICAL SQUARAINE DYES AND APLLICATIONS THEREOF
    Publication number: 20220227999
    Abstract: The present invention relates to an unsymmetrical squaraine dye of formula (I) and process for the preparation thereof. Further, the present invention relates to an electronic device with an enhanced device efficiency containing a dye of formula (I) co-sensitized with a sqaurine dye.
    Type: Application
    Filed: March 17, 2022
    Publication date: July 21, 2022
    Inventors: Jayaraj Nithyanandhan, Ambarish Kumar Singh, Amrita Singh