Patents by Inventor Sundaravel P. Ananthavel

Sundaravel P. Ananthavel 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).

  • Electrochromic or electrodeposition display and novel process for their manufacture
    Patent number: 7245414
    Abstract: The present invention is directed to an improved electrodeposition and an electrochromic display. The display cells formed from microcups are filled with an electrolyte fluid and are individually sealed with a polymeric sealing layer.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: July 17, 2007
    Assignee: SiPix Imaging, Inc.
    Inventors: Rong-Chang Liang, Jack Hou, Sundaravel P. Ananthavel
  • Fluorinated dye stabilizers in fluorinated dielectric solvent
    Patent number: 7141688
    Abstract: The present invention is directed to novel fluorinated dye stabilizers having both high quenching efficiency and solubility in halogenated solvents. These dye stabilizers have shown a significantly effect on improving the dye fastness in hostile photooxidation conditions.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: November 28, 2006
    Assignee: SiPix Imaging, Inc.
    Inventors: Kai-Chia Feng, Ying-Syi Li, Jin Yang, HongMei Zang, Haiyan Gu, Sundaravel P. Ananthavel, Rong-Chang Liang
  • Novel fluorinated dye stabilizers in fluorinated dielectric solvent
    Publication number: 20040131958
    Abstract: The present invention is directed to novel fluorinated dye stabilizers having both high quenching efficiency and solubility in halogenated solvents. These dye stabilizers have shown a significantly effect on improving the dye fastness in hostile photooxidation conditions.
    Type: Application
    Filed: October 14, 2003
    Publication date: July 8, 2004
    Inventors: Kai-Chia Feng, Ying-Syi Li, Jin Yang, HongMei Zang, Haiyan Gu, Sundaravel P. Ananthavel, Rong-Chang Liang