Composite fine particles of metal oxides and production thereof

Details Composite fine particles of metal oxides and production thereof Composite fine particles of metal oxides and production thereof

1997-04-01

1998-06-23

Le, H. Thi

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

106436, 106439, 106449, 427214, 427215, 4273722, 428701, B32B 516, B05D 700

Patent

active

057703108

ABSTRACT:
Composite fine particles of metal oxides containing titanium dioxide which produce a remarkable ultraviolet screening effect over the entire region of spectrum. Each particle is composed of a core and a surface layer, said core being composed of a nucleus formed from (a) titanium dioxide or (b) iron oxide or (c) a mixture of iron oxide and titanium dioxide and an outer layer of titanium dioxide, said surface layer being formed from metal oxides of magnesium and calcium.

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patent: 5411803 (1995-05-01), George et al.
Abstract of JP 72042502, Apr 1970.
Abstract of JP 6172149; Jun. 1994.
Abstract of JP 92005001; Jan. 1992.
Abstract of JP 2178219; Jul. 1990.
Abstract of JP 5330825; Dec. 1993.
Abstract of JP 93029363; Apr. 1993.

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