Membranes for highly selective separations

Catalyst – solid sorbent – or support therefor: product or process – In form of a membrane

Reexamination Certificate

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C502S086000

Reexamination Certificate

active

08067327

ABSTRACT:
The present invention provides modified molecular sieve membranes with improved CO2/CH4separation selectivity and methods for making such membranes. The molecular sieve membranes are modified by adsorption of a modifying agent, such as ammonia, within and/or on the membrane.

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