Use of molecular sieves for the removal of HFC-23 from...

Details Use of molecular sieves for the removal of HFC-23 from... Use of molecular sieves for the removal of HFC-23 from...

2006-07-12

2009-10-06

Smith, Duane (Department: 1797)

Gas separation: processes

Solid sorption

Organic gas or liquid particle sorbed

C095S141000, C095S143000, C095S900000, C095S903000, C423S24000R

Reexamination Certificate

active

07597744

ABSTRACT:
Use of molecular sieves to reduce the amount of trifluoromethane (HFC-23) present in a mixture of HFC-23 with other materials, particularly from mixtures containing HFC-23 and trifluoroiodomethane (CF3I).

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patent: 2003/0034309 (2003-02-01), Ohno et al.
patent: 2006/0019857 (2006-01-01), Wilson et al.
patent: 2006/0140836 (2006-06-01), Oka
patent: 1442779 (2004-08-01), None
patent: 08081399 (1996-03-01), None
patent: WO 96/30109 (1996-10-01), None
patent: WO 01/83412 (2001-11-01), None
Translation of JP08-081399, Ono Hiromoto et al., Mar. 26, 1996.

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