Patents by Inventor Raj Kumar Das

Raj Kumar Das 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).

  • Development of photostable near-IR cyanine dyes for in vivo imaging
    Patent number: 9201014
    Abstract: A compound of structural formula (I): The values and alternative values are as defined herein. The invention also includes biosensors comprising nanoparticles functionalized with a compound of structural formula (I). Also described is a method for labeling a biomolecule using a compound of structural formula (I) and a method of detecting a target biomolecule using a compound of structural formula (I) or a biosensor of the invention.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: December 1, 2015
    Assignees: National University of Singapore, Agency for Science, Technology and Research
    Inventors: Young-Tae Chang, Animesh Samanta, Marc Vendrell Escobar, Nam-Young Kang, Kaustabh Kumar Maiti, Kiat Seng Soh, Dinish Unnimadhava Kurup Soudamini Amma, Malini Olivo, Sung-Jin Park, Raj Kumar Das