Porous gas permeable material for gas separation

Details Porous gas permeable material for gas separation Porous gas permeable material for gas separation

2005-03-15

2005-03-15

Spitzer, Robert H. (Department: 1724)

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

C095S052000, C095S054000, C096S004000, C055S524000, C055SDIG005

Reexamination Certificate

active

06866697

ABSTRACT:
A method of separating a mixture of N (N≧2) gases by size exclusion, comprising:contacting the mixture of gases with N−1 gas permeable porous films, each of the N−1 gas permeable porous films being made of a permeable porous material including pores of different sizes, formed with at least one nanostructured compound. wherein the at least one nanostructured compound includes 30% or more polyhedral oligomeric silsequioxane (POSS) by weight: wherein at least one of the N−1 gas permeable porous films has pores which do not allow permeation of at least one of the N gases.

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