| US 7,553,474 B2 | ||
| Method for producing metal oxide sol | ||
| Yutaka Ohmori, Sodegaura (Japan); Hirokazu Kato, Sodegaura (Japan); Yoshinari Koyama, Sodegaura (Japan); and Kenji Yamaguchi, Sodegaura (Japan) | ||
| Assigned to Nissan Chemical Industries, Ltd., Tokyo (Japan) | ||
| Appl. No. 11/660,086 PCT Filed Aug. 08, 2005, PCT No. PCT/JP2005/014526 § 371(c)(1), (2), (4) Date Mar. 13, 2007, PCT Pub. No. WO2006/019004, PCT Pub. Date Feb. 23, 2006. |
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| Claims priority of application No. 2004-237311 (JP), filed on Aug. 17, 2004; and application No. 2005-190454 (JP), filed on Jun. 29, 2005. | ||
| Prior Publication US 2008/0138272 A1, Jun. 12, 2008 | ||
| Int. Cl. B01J 37/03 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); C01B 13/14 (2006.01); C01B 13/32 (2006.01); C01B 33/12 (2006.01); C01B 33/141 (2006.01); C01B 33/148 (2006.01); C01B 33/18 (2006.01); C01F 1/00 (2006.01); C01G 1/02 (2006.01); C01G 23/053 (2006.01); B01J 21/00 (2006.01); B01J 23/00 (2006.01); C01F 5/02 (2006.01); C01F 7/02 (2006.01); C01F 11/02 (2006.01); C01G 9/02 (2006.01); C01G 19/02 (2006.01); C01G 23/047 (2006.01); C01G 25/02 (2006.01); C01G 49/02 (2006.01); C01G 51/04 (2006.01); C01G 53/04 (2006.01) | ||
| U.S. Cl. 423—592.1 [423/69; 423/71; 423/81; 423/89; 423/98; 423/99; 423/100; 423/109; 423/111; 423/112; 423/115; 423/131; 423/138; 423/139; 423/150.1; 423/155; 423/157; 423/335; 423/594.1; 423/594.2; 423/594.3; 423/594.4; 423/594.16; 423/594.19; 423/608; 423/610; 423/618; 423/622; 423/624; 423/625; 423/630; 423/632; 423/635; 423/636; 423/637; 502/325; 502/328; 502/329; 502/332; 502/335; 502/336; 502/337; 502/338; 502/340; 502/343; 502/349; 502/350; 502/351; 502/352; 502/355] | 12 Claims |
| 1. A method for producing metal oxide sols comprising the steps of:
heating a metal compound at a temperature of 60° C. to 110° C. in an aqueous medium that contains a carbonate of quaternary
ammonium; and
carrying out hydrothermal processing at a temperature of 110° C. to 250° C.
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