Patents by Inventor Jagdish C. Dhawan

Jagdish C. Dhawan 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).

  • Method of reclaiming scrap vulcanized rubber using supercritical fluids
    Patent number: 5418256
    Abstract: The invention pertains to a method of treating vulcanized rubber, such as scrap tires, in which the copolymer is treated with an organic solvent under supercritical conditions, such that an organic solution of several by-products is obtained. These can be conventionally fractionated to recover useful organic compounds.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: May 23, 1995
    Assignee: University of South Alabama
    Inventors: Jagdish C. Dhawan, Richard C. Legendre