Process for producing micro-mesoporous metal oxide having...

Details Process for producing micro-mesoporous metal oxide having... Process for producing micro-mesoporous metal oxide having...

2007-05-29

2007-05-29

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C423S593100, C423S594100, C423S594300, C423S594500, C423S594800, C423S594900, C423S594120, C423S594130, C423S594140, C423S594170, C423S594180, C423S594190, C423S604000, C423S605000, C423S606000, C423S608000, C423S617000, C423S622000, C423S632000

Reexamination Certificate

active

10507478

ABSTRACT:
The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of transition metal oxide and/or metal alkoxide in the solution prepared by dissolving polymer surfactant in organic solvent, hydrolyzing said transition metal salt and/or metal alkoxide and preparing sol solution which is polymerized and self organized, then obtaining gel whose organization is stabilized from said sol solution and removing said polymer surfactant by using water of room temperature or water to which alkali metal or alkaline earth metal ion is added.

REFERENCES:
patent: 5958367 (1999-09-01), Ying et al.
patent: 6528034 (2003-03-01), Pinnavaia et al.
patent: 6630170 (2003-10-01), Balkus et al.
Ri Byonjin “Synthesis of High Surface Area Microporous Niobium Oxide Using Neutral Template and Characterization” 88th Catalytic Forum of Catalytic Society Sep. 20, 2001, Tokyo, Japan.

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