Title:
粉末化粧料の製造方法
Document Type and Number:
Japanese Patent JP4499173
Kind Code:
B2
Abstract:
The present invention is to provide an easy production method of powder cosmetics having improved practical characteristics such as extensibility on the skin, adhesion, feeling of particulate fineness, and long-lasting property, and having improved impact resistance. A production method of a powder cosmetic comprising; mixing powder component and oil component as a binder with a mixing appratus, wherein the mixing appratus is a facing rotor type mixing appratus having a first rotor with a plurality of blades and a second rotor with a plurality of blades in a mixing chamber, in which the first rotor and the second rotor face each other and have rotating shafts on same axis line, and in the facing rotor type mixing appratus, raw materials are fed into an introduction opening on a first rotor side, the raw materials are mixed by rotating the first rotor and the second rotor in same or opposite directions to each other, and the mixed raw materials are discharged from a discharge opening on a second rotor side.
Inventors:
Shuji Hasegawa
Sato Masaki
Kotaro Ota
Kuramahashi Takuma
Keisuke Toyama
Katsumi Ogawa
Sato Masaki
Kotaro Ota
Kuramahashi Takuma
Keisuke Toyama
Katsumi Ogawa
Application Number:
JP2008324235A
Publication Date:
July 07, 2010
Filing Date:
December 19, 2008
Export Citation:
Assignee:
SHISEIDO COMPANY,LTD.
International Classes:
A61K8/02; A61K8/19; A61K8/25; A61K8/29; A61K8/31; A61K8/89; A61Q1/12; B01F23/57
Domestic Patent References:
| JP2009167182A | ||||
| JP2007055990A | ||||
| JP2001213722A | ||||
| JP58082839U |
Attorney, Agent or Firm:
Yuji Iwahashi