Patents by Inventor Bhagya C. Sutradhar

Bhagya C. Sutradhar 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).

  • Crystallization of adipic acid
    Patent number: 5471001
    Abstract: Crystallization of adipic acid using low intensity ultrasonic agitation during crystallization results in purer product that is more readily handled. Apparatus for carrying out the process is also disclosed.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: November 28, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Howard W. Anderson, John B. Carberry, Harold F. Staunton, Bhagya C. Sutradhar