Chemistry of inorganic compounds – Zeolite – Structure defined x-ray diffraction pattern
Reexamination Certificate
2005-05-24
2005-05-24
Sample, David (Department: 1755)
Chemistry of inorganic compounds
Zeolite
Structure defined x-ray diffraction pattern
C423S706000, C423S708000, C423S709000, C208S046000
Reexamination Certificate
active
06896869
ABSTRACT:
A microporous crystalline material of a zeolitic nature, that corresponds to the empirical formulain-line-formulae description="In-line Formulae" end="lead"?x(M1
XO2):yYO2:zGeO2:(1−z)TO2in-line-formulae description="In-line Formulae" end="tail"?whereinx has a value between 0 and 0.2;y has a value between 0 and 0.1;z has a value between 0 and 0.67;being at least one of the z, x and y above zero;M is selected between H+ and inorganic cations with a +n charge;X is at least one chemical element with a +3 oxidation status;Y is at least one chemical element with a +4 oxidation status; andT is at least one chemical element with a +4 oxidation status;and is also characterised by its X-ray diffraction pattern and its microporous properties, and can be employed as a catalyst or oxidating agent in the separation and transformation of organic compounds.
REFERENCES:
patent: 2882243 (1959-04-01), Milton
patent: 6419819 (2002-07-01), Dhingra et al.
patent: 20030185751 (2003-10-01), Chester et al.
Corma,A.; Pure polimorph C of zeolite beta synthesized by using framework isomorphous substitution as a structure-directing mechanism; Angew. Chem., Int. Ed. 2001, vol. 40, No. 12, pp. 2277-2280, Jun. 18, 2001, ISSN 1433-7851.
Corma, A.; Synthesis of pure polimorph C of beta zeolite in a fluoride—free system; Chem. Commun. (Cambridge, U.K.) 2001, vol. 16; pp. 1486-1487; Aug. 10, 2001, ISSN 1359-7345.
Canós Avelino Corma
García Fernando Rey
Navarro Villalba María Teresa
Valencia Susana Valencia
Consejo Superior de Investigaciones Cientificas
Klauber & Jackson
Sample David
Universidad Politecnica de Valencia
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