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:
Aug. 16, 2022
Filed:
Jun. 28, 2019
Applicant:
L'air Liquide, Société Anonyme Pour L'etude ET L'exploitation Des Procédés Georges Claude, Paris, FR;
Inventors:
Christian Monereau, Montpellier, FR;
Lian-Ming Sun, Villebon-sur-Yvette, FR;
Bernard Fraioli, Draveil, FR;
Benjamin Morineau, Kobe, JP;
Vincent Gueret, Paris, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/04 (2006.01); B01J 8/00 (2006.01); B01J 8/02 (2006.01); B01J 8/04 (2006.01);
U.S. Cl.
CPC ...
B01J 8/0453 (2013.01); B01D 53/0423 (2013.01); B01J 2208/00884 (2013.01); B01J 2208/025 (2013.01);
Abstract
A device configured to be interposed between a lower layer and an upper layer of particles arranged inside a cylindrical shell, thereby limiting or preventing the migration of particles between the layers.