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. 19, 2019
Filed:
Dec. 21, 2017
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);
Donald E. Henry, Allentown, PA (US);
Edward Landis Weist, Jr., Macungie, PA (US);
Jeffrey Raymond Hufton, Fogelsville, PA (US);
Paul Anthony Novosat, Emmaus, 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 second separation unit receives a stream enriched in helium, neon, or argon, and a stream is recycled from the second separation 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.