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Title:
METAL OXIDE PARTICLES CONTAINING TITANIUM OXIDE COATED WITH SILICON DIOXIDE-TIN(IV) OXIDE COMPLEX OXIDE
Document Type and Number:
WIPO Patent Application WO/2012/165620
Kind Code:
A1
Abstract:
Provided are metal oxide particles, each of which contains titanium oxide coated with silicon dioxide-tin(IV) oxide complex oxide and has a titanium oxide-containing core particle (A) and a coating layer that is formed of silicon dioxide-tin(IV) oxide complex oxide colloidal particles (B) having a silicon dioxide/tin(IV) oxide mass ratio of 0.1-5.0, with one or more interlayer thin film layers that are formed of an oxide, complex oxide or mixture of at least one element selected from the group consisting of Si, Al, Sn, Zr, Zn, Sb, Nb, Ta and W being interposed between the titanium oxide-containing core particle (A) and the silicon dioxide-tin(IV) oxide complex oxide colloidal particles (B). The metal oxide particles have high refractive index and very small particle diameters that enable securement of high transparency, while being substantially suppressed in excitation by ultraviolet light.

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Inventors:
KOYAMA YOSHINARI (JP)
FURUKAWA TOMOKI (JP)
ASADA MOTOKO (JP)
Application Number:
PCT/JP2012/064296
Publication Date:
December 06, 2012
Filing Date:
June 01, 2012
Export Citation:
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Assignee:
NISSAN CHEMICAL IND LTD (JP)
KOYAMA YOSHINARI (JP)
FURUKAWA TOMOKI (JP)
ASADA MOTOKO (JP)
International Classes:
C01G23/00; B05D7/00; B32B27/20; C01G23/04; C01G33/00; C09C1/36; C09C3/12; C09D7/62; C09D17/00; C09D167/00; C09D175/00; C09D201/00
Foreign References:
JP2010042947A2010-02-25
JP2002363442A2002-12-18
JP2006070144A2006-03-16
JP2001123115A2001-05-08
JPH10306258A1998-11-17
JPS5211261A1977-01-28
JPS53111336A1978-09-28
JPS5513747A1980-01-30
JPH0154021B21989-11-16
JPS62151801A1987-07-06
JPS63275682A1988-11-14
JP2001123115A2001-05-08
JPH10306258A1998-11-17
JPH02262104A1990-10-24
JPS56116003A1981-09-11
JPH10245224A1998-09-14
JPH10310429A1998-11-24
Other References:
See also references of EP 2724984A4
Attorney, Agent or Firm:
HANABUSA, Tsuneo et al. (JP)
Sepal Tsuneo (JP)
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Claims:



 
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