Patents by Inventor Radhakrishna As

Radhakrishna As 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, polymer compositions and method of preparation
    Publication number: 20070123683
    Abstract: A polymer comprising at least one structural unit derived from a dihydroxy compound of Formula (I) wherein R1 is an aromatic divalent functionality having 6 to 60 carbons, R2 can be the same or different at each occurrence and is independently at each occurrence selected from the group consisting of a cyano functionality, a nitro functionality, a halogen, an aliphatic functionality having 1 to 10 carbons, a cycloaliphatic functionality having 3 to 10 carbons and an aromatic functionality having 6 to 10 carbons and “n” is an integer having a value 0 to 3.
    Type: Application
    Filed: November 29, 2005
    Publication date: May 31, 2007
    Inventors: Nagarajan Arumugam, Radhakrishna As, Jan Lens, Tilak Raj, Binod Sahoo, Subash Scindia
  • Dihydroxy aromatic compounds and methods for preparation
    Patent number: 7183431
    Abstract: A dihydroxy aromatic compound having a Formula (I), wherein R1 is a C6–C60 aromatic divalent functionality, R2 at each occurrence, can be the same or different and is independently at each occurrence selected from the group consisting of a cyano functionality, a nitro functionality, a halogen, an aliphatic functionality having 1 to 10 carbons, a cycloaliphatic functionality having 3 to 10 carbons and an aromatic functionality having 6 to 10 carbons, and “n” is an integer having a value of 0 to 4.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: February 27, 2007
    Assignee: General Electric Company
    Inventors: Nagarajan Arumugam, Radhakrishna As, Jan Pleun Lens, Tilak Raj, Binod Sahoo