FAU-structural-type supported zeolite membranes, their...

Details FAU-structural-type supported zeolite membranes, their... FAU-structural-type supported zeolite membranes, their...

2008-07-23

2011-10-25

Wood, Elizabeth (Department: 1732)

Catalyst, solid sorbent, or support therefor: product or process

In form of a membrane

C502S060000, C502S063000, C502S064000, C502S066000, C502S079000

Reexamination Certificate

active

08043988

ABSTRACT:
The invention relates to a FAU-type zeolite membrane that comprises a FAU-type zeolite crystal layer incorporated in the surface porosity of at least one selected face of a porous substrate, in which the ratio between the thickness of said zeolite layer incorporated in the surface porosity of said selected face of the substrate and the total thickness of said zeolite layer is at least 70%. It also relates to processes for preparation and application of these membranes.

REFERENCES:
patent: 6193784 (2001-02-01), Yazawa et al.
patent: 2003/0084786 (2003-05-01), Chau et al.
patent: 2005/0067344 (2005-03-01), Tanaka et al.
patent: 2005/0139065 (2005-06-01), Miller et al.
patent: 1 230 972 (2002-08-01), None
patent: 2 719 238 (1995-11-01), None
French Search Report completed Feb. 19, 2008 in French Application No. 0705401 filed Jul. 24, 2007.

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