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:
Nov. 24, 2020
Filed:
Jan. 18, 2019
Air Products and Chemicals, Inc., Allentown, PA (US);
Cory E. Sanderson, Allentown, PA (US);
Jason Michael Ploeger, Perkasie, PA (US);
Jin Cao, Breinigsville, PA (US);
Roger Dean Whitley, Allentown, PA (US);
Shubhra Jyoti Bhadra, Macungie, PA (US);
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
Process and apparatus for producing helium, neon, or argon product gas using an adsorption separation unit having minimal dead end volumes. A purification unit receives a stream enriched in helium, neon, or argon, and a stream is recycled from the purification unit back to the adsorption separation unit in a controlled manner to maintain the concentration of the helium, neon, or argon in the feed to the separation unit within a targeted range.