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.

Date of Patent:
Oct. 28, 2025

Filed:

Nov. 23, 2020
Applicant:

Arkema France, Colombes, FR;

Inventors:

Guillaume Ortiz, Lacq, FR;

Quitterie Persillon, Lacq, FR;

Assignee:

Arkema France, Puteaux, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/04 (2006.01); B01D 53/047 (2006.01);
U.S. Cl.
CPC ...
B01D 53/0407 (2013.01); B01D 53/0476 (2013.01); B01D 2253/1085 (2013.01); B01D 2253/304 (2013.01); B01D 2256/12 (2013.01); B01D 2257/102 (2013.01); B01D 2259/4146 (2013.01); B01D 2259/4533 (2013.01); B01D 2259/4541 (2013.01);
Abstract

The present invention relates to the use of a zeolitic adsorbent material based on faujasite (FAU) zeolite crystals, the Si/AI mole ratio of which is between 1.00 and 1.20, and the non-zeolitic phase (NZP) content of which is such that 0<NZP≤25%, for the non-cryogenic separation of industrial gases by (V)PSA, in particular of the air gases. The invention also relates to respiratory assistance machines comprising at least said zeolitic adsorbent material.


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