Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2005-03-21
2008-10-07
Nguyen, Ngoc-Yen M (Department: 1793)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S266000, C423S335000, C501S103000, C501S081000
Reexamination Certificate
active
07431912
ABSTRACT:
A producing method for producing zirconia hollow particles in which a zirconia powder mutually combines to form a porous shell layer thereby constructing a hollow structure, the method being characterized in mixing under a pressurized contact a resin powder and a zirconia powder of a grain size smaller than that of the resin powder, thereby forming a precursor by covering a surface of the resin powder with the zirconia powder in a partially embedded state, and calcining the precursor to expel the resin powder and to mutually sinter the zirconia powder.
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Egashira Makoto
Fukunaga Miyuki
Hyodo Takeo
Kato Takayuki
Shimizu Yasuhiro
Nguyen Ngoc-Yen M
Sughrue & Mion, PLLC
Yazaki -Corporation
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