Patents by Inventor Roy R. Raghunath

Roy R. Raghunath 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).

  • POLYMERS WITH ULTRA-LOW PHOTOELASTIC BIREFRINGENCE CONSTANTS
    Publication number: 20190031809
    Abstract: A polymer comprising: (a) polymerized units of 2-vinylpyridine; and (b) polymerized units of methyl methacrylate; a compound of formula (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent; or a combination thereof.
    Type: Application
    Filed: December 7, 2015
    Publication date: January 31, 2019
    Inventors: Praveen Agarwal, Shih-Wei Chang, Kathleen M. O'Connell, Roy R. Raghunath, Weijun Zhou