Title:
METHOD FOR PRODUCING PARTICULATE ALUMINA AND COMPOSITION CONTAINING PARTICULATE ALUMINA
Document Type and Number:
WIPO Patent Application WO2004110931
Kind Code:
A3
Abstract:
One embodiment of the present invention provides a method for producing a particulate alumina, comprising heat-treating (calcining) a composition comprising alumina, an alumina hydrate, ammonium chloride and a halogen compound other than ammonium chloride and then disintegrating the heat-treated product.
Inventors:
KAMIMURA KATSUHIKO (JP)
YAMADA TOMIHARU (JP)
YAMADA TOMIHARU (JP)
Application Number:
PCT/JP2004/008546
Publication Date:
September 09, 2005
Filing Date:
June 11, 2004
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
KAMIMURA KATSUHIKO (JP)
YAMADA TOMIHARU (JP)
KAMIMURA KATSUHIKO (JP)
YAMADA TOMIHARU (JP)
International Classes:
C01F7/02; C01F7/023; C01F7/441; C01F7/442; C04B35/101; C04B35/111; C09C1/40; H01L23/29; H01L23/373; H01M2/10; H01M10/50; (IPC1-7): C01F7/00; C01F7/02; C09C1/40; C08K3/22; C04B35/10; H01L23/00; H01M2/00
Domestic Patent References:
| WO2002098796A1 | 2002-12-12 | |||
| WO2002034692A2 | 2002-05-02 | |||
| WO1990015777A1 | 1990-12-27 |
Foreign References:
| EP0276321A1 | 1988-08-03 | |||
| EP0265839A2 | 1988-05-04 | |||
| US3262754A | 1966-07-26 | |||
| US3092453A | 1963-06-04 | |||
| DE1767511A1 | 1971-09-09 |
Other References:
DATABASE WPI Section Ch Week 200323, Derwent World Patents Index; Class E33, AN 1995-118570, XP002337702
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