Patents by Inventor Ulhas K. Kharul

Ulhas K. Kharul 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).

  • Process for the preparation of aromatic polyesters
    Patent number: 6420511
    Abstract: This invention relates to a process for the preparation of aromatic polyesters which comprises polymerization of a aromatic dicarboxylic acid substituted with a polar group weight percentage in the range of 20 to 75 with a substituted aromatic diol weight percentage in the range of 25 to 78 by known method herein described.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: July 16, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Ulhas K. Kharul, Sudhir S. Kulkarni