Patents by Inventor Ram Paul BAJAJ

Ram Paul BAJAJ 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).

  • Processes for the production of ethylene oxide and ethylene glycol
    Patent number: 11325877
    Abstract: A process for the recovery of ethylene glycol from an aqueous stream comprising ethylene glycol is disclosed. The process comprises (a) subjecting an aqueous stream 5 comprising ethylene glycol to an evaporation step in a multiple-effect evaporator to obtain a concentrated stream comprising ethylene glycol; (b) subjecting said concentrated stream comprising ethylene glycol to a first dehydration step in a first dehydrator 10 operating at an overhead pressure in the range of 0 barg (bar gauge) to 4 barg (bar gauge) to obtain a partially dehydrated ethylene glycol stream, and (c) subjecting said partially dehydrated ethylene glycol stream to a second dehydration step in a second dehydrator operating under 15 vacuum to obtain a dehydrated ethylene glycol stream.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 10, 2022
    Assignee: SHELL USA, INC.
    Inventors: Ram Paul Bajaj, Peter Molenaar
  • PROCESSES FOR THE PRODUCTION OF ETHYLENE OXIDE AND ETHYLENE GLYCOL
    Publication number: 20200299215
    Abstract: A process for the recovery of ethylene glycol from an aqueous stream comprising ethylene glycol is disclosed. The process comprises (a) subjecting an aqueous stream 5 comprising ethylene glycol to an evaporation step in a multiple-effect evaporator to obtain a concentrated stream comprising ethylene glycol; (b) subjecting said concentrated stream comprising ethylene glycol to a first dehydration step in a first dehydrator 10 operating at an overhead pressure in the range of 0 barg (bar gauge) to 4 barg (bar gauge) to obtain a partially dehydrated ethylene glycol stream, and (c) subjecting said partially dehydrated ethylene glycol stream to a second dehydration step in a second dehydrator operating under 15 vacuum to obtain a dehydrated ethylene glycol stream.
    Type: Application
    Filed: November 20, 2018
    Publication date: September 24, 2020
    Inventors: Ram Paul BAJAJ, Peter MOLENAAR