Patents by Inventor Krishan Kumar Swamy

Krishan Kumar Swamy 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 recovery of solid and reusable urea from the urea adduction process
    Patent number: 5847209
    Abstract: A process for recovery of solid and reusable urea from the urea adduction process. Refinery streams are subjected to a step of urea adduction for removal of unwanted branched products, aromatics and sulphur. The adduct is purified, dried and then subjected to the step of mechanical shearing.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: December 8, 1998
    Inventors: Anurag Ateet Gupta, Krishan Kumar Swamy, Shanti Prakash, Madan Mohan Rai, Akhilesh Kumar Bhatnagar