Metal oxide particle and process for producing same

Compositions – Electrically conductive or emissive compositions – Metal compound containing

Reexamination Certificate

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C252S518100, C252S500000, C252S584000, C977S811000, C977S814000, C423S594700, C423S087000, C423S089000, C423S099000, C516S078000, C516S091000, C516S092000, C516S088000, C106S287190, C428S142000

Reexamination Certificate

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10851166

ABSTRACT:
The present invention relates to a metal oxide particle comprising tin atom, zinc atom, antimony atom and oxygen atom, having a molar ratio SnO2:ZnO:Sb2O5of 0.01–1.00:0.80–1.20:1.00 and having a primary particle diameter of 5 to 500 nm; and a process for producing the metal oxide particle comprising the steps of: mixing a tin compound, a zinc compound and an antimony compound in a molar ratio SnO2:ZnO:Sb2O5of 0.01–1.00:0.80–1.20:1.00; and calcining the mixture at a temperature of 300 to 900° C. The metal oxide particle is used for several purposes such as antistatic agents, UV light absorbers, heat radiation absorbers or sensors for plastics or glass, etc.

REFERENCES:
patent: 4867794 (1989-09-01), Ambrosius et al.
patent: 6432545 (2002-08-01), Schicht et al.
patent: 6626987 (2003-09-01), Suzuki et al.
patent: 0 927 700 (1999-07-01), None
patent: A 10-251018 (1998-09-01), None
patent: 927700 (1999-07-01), None
patent: A 11-189416 (1999-07-01), None

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