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Assignee: Daiichi Kigenso Kagaku Kogyo Co., Ltd.


Location: Osaka, JP
No. of patents: 6

NumberTitleIssue Date
8057745Catalyst system for vehicle exhaust gas purification devices, exhaust gas purification device using the same, and method for purification of exhaust gases
The present invention provides a catalyst system for vehicle exhaust gas purification devices which exhibit excellent capacity of removing nitrogen oxide emissions from internal combustion engine exhaust gases when they are brought into contact with the catalyst eve...
11/15/2011
7927699Porous zirconia powder and production method of same
The present invention provides a porous zirconium powder having improved heat resistance of total pore volume, and a simple production method thereof. More specifically, the present invention provides: (1) a porous zirconium powder in which total pore v...
04/19/2011
7871950Colored zirconia-based sintered body and manufacturing method thereof and decorative member
This invention provides a colored zirconia-based sintered body, mainly composed of zirconia containing a stabilizer, which contains alumina and nickel spinel, and has a novel color tone, and a method for manufacturing such a zirconia-based sintered body. The colored...
01/18/2011
6255242Zirconium- and cerium-based mixed oxide and method of production thereof
A zirconium- and cerium-based mixed oxide having good thermal stability and oxidation-reduction performance, in particular, is provided. The mixed oxide which comprises zirconium and cerium is characterized in (1) that cubic phase purity of a zirconia- an...
07/03/2001
6150299Cerium- and zirconium-based mixed oxide, method of producing same and catalyst material for exhaust gas purification
Mixed oxides excellent in thermal stability of specific surface area and in oxidation-reduction performance are provided on an industrial scale. Catalyst materials useful in exhaust gas purification are also provided. The invention is concerned with mixed...
11/21/2000
4526765Methods for preparing amorphous zirconium phosphosilicate
The present invention provides novel amorphous phosphosilicates represented by the formulae Zr(PO4)2y (SiO2)z.n'H2 O (I) and M2/l Zr(PO4)2y (SiO2).n'H2
07/02/1985
 
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