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Ward John W: Ammonia-stable Y zeolite compositions. Union Oil Company of California, Henderson Lannas S, Hartman Richard C, Sandford Dean, December 30, 1975: US3929672 (85 worldwide citation)

Highly active, hydrothermally stable and ammonia-stable Y zeolite compositions are disclosed, which compositions are useful as adsorbents, hydrocarbon conversion catalysts, and as acidic supports for catalytic metals. The stabilized Y zeolite composition is prepared from a sodium Y zeolite by a nove ...


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Peter Ehlenz, Lutz Irgel: Method of producing a sorptive body, particularly for eliminating odors, air freshening, etc. and the resultant product. Collo, Pollock Vande sande & Priddy, May 14, 1985: US04517308 (77 worldwide citation)

The aim of the invention was to find a method of producing a sorptive body, to be used especially with objectives such as the elimination of odors and air freshening. In the invented process a granular or powdered solid component consisting of a sorptive material, e.g. active carbon, or a compound c ...


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Bellussi Giuseppe, Perego Giovanni, Clerici Mario Gabriele, Giusti Aldo: Synthetic, crystalline, porous material containing oxides of silicon and boron.. Eniricerche, Enichem Sintesi, Snam Progetti, November 30, 1988: EP0293032-A2 (76 worldwide citation)

A synthetic, crystalline, porous material containing oxides of silicon and boron is disclosed, which, in the non-calcined state, has the following empyrical formula: mM2/nO,pR,xM2O3,(1-x)B2O3,yMO2,qH2O and, in the calcined and anhydrous state, has the following empyrical formula: mM2/nO,xM2O3,(1-x)B ...


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Crystalline silica. Snam Progetti, January 16, 1980: GB2024790-A (68 worldwide citation)

Nouveau matériau synthétique à base de silice.


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Lawrence R Parks: Cross-linked sodium polyacrylate absorbent. The Procter & Gamble Company, Fredrick H Braun, Richard C Witte, October 20, 1981: US04295987 (57 worldwide citation)

The present invention involves compositions of super absorbent polymers which absorb many times their weight in water and aqueous fluids. Super absorbent polymers in the prior art have effectively absorbed many times their weight of water, however, they become slimy to the touch or become so fluid a ...


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Orlando Leal, Carmelo Bolivar, Gonzalo Sepulveda, Gregorio Molleja, German Martinez, Leon Esparragoza: Carbon dioxide adsorbent and method for producing the adsorbent. Armada de la Republica de Venezuela, Universidad Central de Venezuela, Bachman & LaPointe, February 11, 1992: US05087597 (55 worldwide citation)

A reversible adsorbent for carbon dioxide, which can be used as a decontaminant of closed environments, has been devised. It consists of a novel material formed by a surface modified silica gel with active sites for the chemisorption of CO.sub.2 at room temperature combined with a clay which acts as ...


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Allen Paul T, Drinkard B M: Separation of mixtures with modified zeolites. Mobil Oil Corporation, October 17, 1972: US3698157 (55 worldwide citation)

An improved method for separation and isolation of individual components contained in a C.sub.8 aromatic mixture such as p-xylene and ethylbenzene, by contacting the mixture with an aluminosilicate zeolite which has been contacted with an organic-radical substituted silane to modify the characterist ...


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Mark A Drezdon: Pillared hydrotalcites. Amoco Corporation, Reed F Riley, William H Magidson, Ralph C Medhurst, September 27, 1988: US04774212 (54 worldwide citation)

Magnesium-aluminum, hydrotalcite-type clay compositions containing large, pillaring organic, inorganic, and mixed organic/inorganic anions have been made and shown to demonstrate catalytic properties. Heating of the mixed large organic/inorganic anion hydrotalcite-type clays can lead to substantiall ...


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Ranjani V Siriwardane: capture from moderate and high temperature gas streams, Regenerable sorbents for CO. The United States of America represented by the United States Department of Energy, Joy Alwan, Mark P Dvorscak, Paul A Gottlieb, January 1, 2008: US07314847 (53 worldwide citation)

A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali silicate and combinations thereof wi ...