Patents by Inventor Rakesh Agrawa

Rakesh Agrawa 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 the production of high pressure nitrogen with split reboil-condensing duty
    Patent number: 4883519
    Abstract: A process is set forth for recovery of nitrogen from a feed gas stream, containing nitrogen and oxygen, using a cryogenic separation wherein a recycle stream having an oxygen content above, equal to or below that of the feed gas stream is recycled from the cryogenic separation to the feed gas stream with a split reboil-condenser function that would allow variation of the oxygen content of the recycle stream.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: November 28, 1989
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Rakesh Agrawa, Steven R. Auvil, Keith B. Wilson