Patents by Inventor Puran K. De

Puran K. De 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).

  • PHOTOSENSITIZATION OF PERSULFATE FOR PHOTO-INDUCED POLYMERIZATION
    Publication number: 20140306168
    Abstract: The present invention relates to compositions and processes for photoinitiating polymerization. Process for photoinitiating polymerization with ‘persulfate anion’ via photosensitized decomposition of persulfate anion with a composition that includes a light absorber, an electron transfer donor or acceptor, and a persulfate are described.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 16, 2014
    Applicant: SPECTRA GROUP LIMITED, INC.
    Inventors: Douglas C. Neckers, Puran K. De, Oleg Grinevich, Alex Mejiritski