Patents by Inventor Swaran Chopra

Swaran Chopra 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).

  • Prodcution of polymer/food grade solvents from paraffin rich low value streams employing hydroprocessing
    Publication number: 20050224395
    Abstract: The present invention relates to the process for the preparation of Polymer/Food grade hydrocarbon solvents of naphtha range essentially free from olefins less than 20 ppm of aromatics and less than 1 ppm of sulfur from paraffinic-rich low value streams such as raffinate from the solvent extraction units in crude oil refineries employed for recovery of aromatics from reformate by hydrogenation in the presence of a nickel based catalyst.
    Type: Application
    Filed: April 13, 2004
    Publication date: October 13, 2005
    Inventors: Ujjwal Manna, Ram Verma, Akhilesh Bhatnagar, Adarsh Soni, Swaran Chopra