Shiseido Company, Limited

Fujihiro Kanda

Minoru Fukuda

Hiroshi Fukui

Tomiyuki Nanba

Masaru Suetsugu

Kazuhisa Ohno

Masato Hatao

Masumi Koishi

Toshihiko Nakane

Eiichiro Yagi

Shigenori Kumagai

Hiroyuki Yokoyama

Yutaka Okunuki

Tadao Ohta

Toshihide Ebisawa

Susumu Takada

Yoshio Yahata

Michihiro Yamaguchi

Toshihide Ikeda

Kazuo Tokubo

Yoshiaki Yagita

Osamu Moro

Toshio Yoshioka

Takeshi Kawaura

Toshihiro Tanaka

Jyunko Suzuki

A magnesium aluminometasilicate coated composite powder which comprises magnesium aluminometasilicate, or magnesium aluminometasilicate and at least one other powder coated on a surface of a core powder and which is usable in, for example, a skin treatment agent, decodorant, and oral composition.

Magnesium aluminometasilicate coated composite powder and use thereof

A spherical clay mineral powder or spherical composite powder comprising water-swellable clay mineral with specific surface are of 100 m.sup.2 /g or more is provided, and the composite powder can contain an organic, inorganic or metal powder, an organic substance soluble in an organic solvent or a water-soluble substance, and these spherical powders can be formulated effectively in, for example, cosmetics.

Spherical clay mineral powder, process for production thereof and

A composite powder wherein an organic or inorganic core powder is substantially completely covered with one or more types of organic, inorganic, or metallic powders having an average particle size one-fifth or less of the average particle size of the above core powder by means of mixing and compression. The composite powder may be manufactured by mixing and compressing the above core powder and coating powder using a ball mill or other mixer charged with a ball shaped mixing medium of an average diameter of 5 mm or less. This composite powder may be used in, for example, skin treatment agent, makeup type cosmetics, sunburn preventing cosmetics, deodorants.

Composite powder and production process

Growing community of inventors

Yokohama, Japan

Fujihiro Kanda