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:
Apr. 06, 1999
Filed:
Nov. 07, 1997
Applicant:
Inventors:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95 96 ; 95102 ; 95130 ;
Abstract
A PSA process for the separation of a gaseous flow containing essentially oxygen and nitrogen, such as air, by preferential adsorption of the nitrogen on at least one bed of a thickness (e) of an adsorbent material of mean granulometry (d) in at least one separation zone, in which there is selected a thickness (e) of the adsorbent bed such that: ##EQU1## e and d being expressed in mm.