Title:
POWDER OF TITANIUM(IV) OXIDE COMPOSED OF PARTICLES HAVING PEANUT-LIKE TWIN SHAPE, AND COSMETIC CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2023/189890
Kind Code:
A1
Abstract:
Provided is titanium oxide with which it is possible to provide a cosmetic capable of realizing a uniform cosmetic film and creating a natural bare skin feel by having light spreading, soft focus properties, and moderate concealing power. Titanium(IV) oxide configured from particles characterized by having a peanut-like twin shape in which the major axis diameter, which is the longest portion of a single particle, is 300-700 nm, the minor axis diameter, which is the largest portion in a direction perpendicular to the major axis, is 100-400 nm, the constriction diameter, which is the length in the direction perpendicular to the major axis at the center of the major axis, is 80-200 nm, and the ratio [constriction diameter]/[minor axis diameter] is 0.9 or less; and a cosmetic containing the titanium(IV) oxide.
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Inventors:
NADA CHIHIRO (JP)
SHIMOMURA NAOTAKA (JP)
MINO WATARU (JP)
SHIMOMURA NAOTAKA (JP)
MINO WATARU (JP)
Application Number:
PCT/JP2023/011099
Publication Date:
October 05, 2023
Filing Date:
March 22, 2023
Export Citation:
Assignee:
TITAN KOGYO KK (JP)
International Classes:
A61K8/02; C09D5/03; A61K8/29; A61Q1/00; A61Q1/04; A61Q1/06; A61Q1/08; A61Q1/10; A61Q3/00; A61Q17/04; A61Q19/00; A61Q19/10; C09C1/36; C09C3/06; C09C3/08; C09C3/10; C09D7/61; C09D7/62; C09D183/04
Foreign References:
| JP2014084251A | 2014-05-12 | |||
| JPH11322337A | 1999-11-24 | |||
| JP2012180241A | 2012-09-20 | |||
| JP2006528706A | 2006-12-21 | |||
| JP2010173863A | 2010-08-12 | |||
| JP2008056535A | 2008-03-13 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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