Patents by Inventor Alagumalai ANANTHAN

Alagumalai ANANTHAN 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).

  • Lanthanum based upconverting microrods and application thereof
    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
  • A LANTHANUM BASED UPCONVERTING MICRORODS AND APPLICATION THEREOF
    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