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:
Jun. 13, 2017
Filed:
Feb. 10, 2015
Minish M. Shah, East Amherst, NY (US);
Joseph M. Schwartz, Williamsville, NY (US);
Khushnuma Koita, Buffalo, NY (US);
Michael J. Dray, Amherst, NY (US);
Minish M. Shah, East Amherst, NY (US);
Joseph M. Schwartz, Williamsville, NY (US);
Khushnuma Koita, Buffalo, NY (US);
Michael J. Dray, Amherst, NY (US);
PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);
Abstract
The present invention relates a process and apparatus that recovers a helium rich stream from a mixed gas having low concentrations of helium therein. More specifically, the invention relates to an integrated process and apparatus for treating a mixed feed gas from an operating process that produces a liquid product from natural gas containing helium, such as processes that produce ammonia, methanol, or liquid hydrocarbons.