Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs
Reexamination Certificate
2005-03-30
2010-11-02
Wood, Elizabeth D (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
C502S063000, C502S064000, C502S067000, C502S069000, C502S400000, C502S407000, C502S414000, C502S526000, C210S767000, C095S117000, C423S220000, C423S242100, C423S248000
Reexamination Certificate
active
07825056
ABSTRACT:
The present invention relates to zeolitic compositions of at least one A, X, Y zeolite and/or chabazite and at least one clinoptilolite type of zeolite.These zeolitic compositions can be used in adsorption methods for removing H2O and/or CO2and/or H2S present in gas or liquid mixtures, particularly for purifying natural gas, acid gases, alcohols and mercaptans.
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M.W. Ackley, et al.; Application of Natural Zeolites in the Purification and Separation of Gases; Microporous and Mesoporous Materials; Jul. 18, 2003; p. 25-42; vol. No. 61., Issue No. 1-3; Elsevier Science Publishing; New York City, U.S.
Database WPI; Section Ch, Week 200223; Derwent Publications Ltd.; London, GB; Class H04; An 2002-172318; XP002297141.
Le Bec Remi
Serge Nicolas
Ceca S.A.
Millen White Zelano & Branigan P.C.
Wood Elizabeth D
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