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. 16, 2004
Filed:
Jun. 03, 2003
Applicant:
Inventors:
Christophe Chau, Rueil Malmaison, FR;
Mickaël Sicard, Palaiseau, FR;
Ronan Le Dred, Riedisheim, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/700 ; B01J 2/028 ; B01J 2/906 ;
U.S. Cl.
CPC ...
B32B 1/700 ; B01J 2/028 ; B01J 2/906 ;
Abstract
Described is a supported zeolite membrane that consists of a zeolite/substrate composite layer that exhibits, in the n-butane/isobutane separation, a permeance of n-butane of at least 6.10 mol/m .s.Pa and a selectivity of at least 250 at the temperature of 180° C. Said zeolite/substrate composite layer is thin and continuous. This membrane is used in processes for gas separation, vapor separation and liquid separation.