Patents by Inventor George Thomas Kakkudiyil

George Thomas Kakkudiyil 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).

  • Squaraine based dyes and process for preparation thereof
    Patent number: 6417402
    Abstract: The present invention relates to squaraine dye containing terminal aminoanthracene or acridine groups and to a process for preparation thereof.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: July 9, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Suresh Das, George Thomas Kakkudiyil, Biju Vasudevan Pillai, Santosh Unni, Suresh Velate