Patents by Inventor Jayaraj NITHYANANDHAN

Jayaraj NITHYANANDHAN 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).

  • 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
  • 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
  • Patent number: 11078415
    Abstract: The present invention provides a monodispersed lanthanum based upconverting microrods comprising ?-NaYF4:Yb3+, Er3+ and ?-NaYF4:Yb3+, Tm3+, capped with oleic acid. The upconverting microrods, embedded in polymer matrices is used for making security tags and for sensing application. The process of preparation of the oleic acid capped upconverting microrods is also disclosed.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: August 3, 2021
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Jayaraj Nithyanandhan, Kadhiravan Shanmuganathan, Alagumalai Ananthan
  • Publication number: 20190040315
    Abstract: The present invention provides a monodispersed lanthanum based upconverting microrods comprising ? —NaYF4:Yb3+, Er3+ and ? —NaYF4:Yb3+, Tm3+, capped with oleic acid. The upconverting microrods, embedded in polymer matrices is used for making security tags and for sensing application. The process of preparation of the oleic acid capped upconverting microrods is also disclosed.
    Type: Application
    Filed: January 20, 2017
    Publication date: February 7, 2019
    Inventors: Jayaraj NITHYANANDHAN, Kadhiravan SHANMUGANATHAN, Alagumalai ANANTHAN