The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2020
Filed:
Jun. 14, 2016
Applicants:
Fritz Pierre, Jr., Humble, TX (US);
Parag A. Gupte, Sugar Land, TX (US);
Richard A. Huntington, Spring, TX (US);
Inventors:
Fritz Pierre, Jr., Humble, TX (US);
Parag A. Gupte, Sugar Land, TX (US);
Richard A. Huntington, Spring, TX (US);
Assignee:
ExxonMobil Upstream Reseach Company, Spring, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25J 1/00 (2006.01); F25J 1/02 (2006.01);
U.S. Cl.
CPC ...
F25J 1/0015 (2013.01); F25J 1/004 (2013.01); F25J 1/0042 (2013.01); F25J 1/0223 (2013.01); F25J 1/0224 (2013.01); F25J 1/0264 (2013.01); F25J 2210/06 (2013.01); F25J 2210/62 (2013.01); F25J 2230/08 (2013.01); F25J 2230/30 (2013.01); F25J 2230/60 (2013.01); F25J 2235/60 (2013.01); F25J 2240/40 (2013.01);
Abstract
Described herein are systems and processes to produce liquefied nitrogen (LIN) using liquefied natural gas (LNG) as the refrigerant. The LIN may be produced by indirect heat exchange of at least one nitrogen gas stream with at least two LNG streams within at least one heat exchanger where the LNG streams are at different pressures.