Title:
RUTILE TITANIUM OXIDE ULTRAFINE PARTICLE
Document Type and Number:
WIPO Patent Application WO/2006/022130
Kind Code:
A1
Abstract:
Disclosed are rutile titanium oxide ultrafine particles obtained by maintaining the pH of an aqueous solution of a titanium compound having a Ti content concentration of 0.07-5 mol/L within the range from -1 to 3 in the presence of a chelating agent. Such rutile titanium oxide ultrafine particles are useful for optical catalysts, high refractive index material, ultraviolet absorbing material and the like.
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Inventors:
HAYASHI TOYOHARU (JP)
NAKAYAMA NORIO (JP)
IIJIMA TOMONORI (JP)
NAKAYAMA NORIO (JP)
IIJIMA TOMONORI (JP)
Application Number:
PCT/JP2005/014280
Publication Date:
March 02, 2006
Filing Date:
August 04, 2005
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
HAYASHI TOYOHARU (JP)
NAKAYAMA NORIO (JP)
IIJIMA TOMONORI (JP)
HAYASHI TOYOHARU (JP)
NAKAYAMA NORIO (JP)
IIJIMA TOMONORI (JP)
International Classes:
C01G23/053; B01J35/02; B01J37/08; C01G23/04; A61K8/00; A61Q17/04
Foreign References:
| JP2001031421A | 2001-02-06 |
Other References:
NAM H-D. ET AL: "Preparation of Ultrafine Crystalline Ti02 Powder from Aqueous TiC14 Solution by Precipitation", JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 37, no. 8, 15 August 1998 (1998-08-15), pages 4603 - 4608, XP008056630
See also references of EP 1785398A4
See also references of EP 1785398A4
Attorney, Agent or Firm:
Hayami, Shinji (2-17-16 Ebisu-Nish, Shibuya-ku Tokyo, JP)
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