Patents by Inventor Punitharasu Vellimalai

Punitharasu Vellimalai 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).

  • Squaraine dyes and applications thereof
    Patent number: 11377562
    Abstract: The present invention disclosed a squaraine dye of formula (I) and process for the preparation thereof. Further, the present invention disclosed to an electronic device comprising dye of formula (I).
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: July 5, 2022
    Assignee: Council of Scientific & Industrial Research
    Inventors: Jayaraj Nithyanandhan, Ananthan Alagumalai, Munavvar Fairoos, Punitharasu Vellimalai
  • SQUARAINE DYES AND APPLICATIONS THEREOF
    Publication number: 20190270889
    Abstract: The present invention disclosed a squaraine dye of formula (I) and process for the preparation thereof. Further, the present invention disclosed to an electronic device comprising dye of formula (I).
    Type: Application
    Filed: July 28, 2017
    Publication date: September 5, 2019
    Inventors: Jayaraj Nithyanandan, Ananthan Alagumalai, Munavvar Fairoos, Punitharasu Vellimalai