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Title:
HYDROPHOBIC SILICA POWDER
Document Type and Number:
WIPO Patent Application WO/2019/049907
Kind Code:
A1
Abstract:
Provided is a hydrophobic silica powder which is obtained by a sol-gel method and has excellent chargeability. The hydrophobic silica powder is characterized by having a hydrophobicity of 50% or more, a saturated water content of 4% or less, and a nitrogen content of 0.05% or more.

Inventors:
OMOKAWA, Kazui (5, Osadano-cho 1-chome, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
YOKOTA, Hirokazu (2-1, Sakado 3-chome, Takatsu-ku, Kawasaki-sh, Kanagawa 12, 〒2130012, JP)
TAKEUCHI, Kenichi (5, Osadano-cho 1-chome, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
NEGISHI, Yuma (5, Osadano-cho 1-chome, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
KISEKI, Tomoko (5, Osadano-cho 1-chome, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
KOMOTO, Munenori (5, Osadano-cho 1-chome, Fukuchiyama-sh, Kyoto 53, 〒6200853, JP)
Application Number:
JP2018/032938
Publication Date:
March 14, 2019
Filing Date:
September 05, 2018
Export Citation:
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Assignee:
FUSO CHEMICAL CO., LTD. (3-10, Koraibashi 4-chome Chuo-ku, Osaka-sh, Osaka 43, 〒5410043, JP)
International Classes:
C01B33/18; G03G9/097
Domestic Patent References:
WO2010035613A12010-04-01
Foreign References:
JPH08259216A1996-10-08
JP2006308642A2006-11-09
JP2006096641A2006-04-13
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (Kitahama TNK Building, 1-7-1 Doshomachi, Chuo-ku, Osaka-sh, Osaka 45, 〒5410045, JP)
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