Composite membrane for separation of carbon dioxide

Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...

Reexamination Certificate

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C095S045000, C095S054000, C095S139000, C096S004000, C096S011000, C096S013000, C096S014000, C210S640000, C210S500280, C210S500410, C055S523000, C055S524000

Reexamination Certificate

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07811359

ABSTRACT:
A membrane and method for separating carbon dioxide from a mixture of gases, where the membrane includes expanded polytetrafluoroethylene and polysiloxane. The membrane is highly stable and can separate carbon dioxide at high flux in harsh environments and high temperatures, such as exhaust gases from power plants.

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