JPS57145007A - Preparation of modified inorganic powder - Google Patents

Preparation of modified inorganic powder

Info

Publication number
JPS57145007A
JPS57145007A JP3092281A JP3092281A JPS57145007A JP S57145007 A JPS57145007 A JP S57145007A JP 3092281 A JP3092281 A JP 3092281A JP 3092281 A JP3092281 A JP 3092281A JP S57145007 A JPS57145007 A JP S57145007A
Authority
JP
Japan
Prior art keywords
powder
salt
inorganic powder
polyamino acid
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3092281A
Other languages
Japanese (ja)
Inventor
Tsutomu Saito
Hiroshi Fukui
Shoji Hyodo
Muneo Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shiseido Co Ltd
Original Assignee
Shiseido Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shiseido Co Ltd filed Critical Shiseido Co Ltd
Priority to JP3092281A priority Critical patent/JPS57145007A/en
Publication of JPS57145007A publication Critical patent/JPS57145007A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain inorganic powder having extremely suppressed activity, by adsorbing a salt of a polyamino acid on the powder to control the surface activity of the powder, followed by treating the powder with an acidic substance.
CONSTITUTION: When a perfume or drug coexists with inorganic powder such as kaolin, talc, etc., an acidic or basic points of the powder exhibit acidity or basicity, to produce an offensive odor or decomposition. To prevent this, the powder is dispersed into an aqueous solution of a salt of a polyamino acid, so that the salt of polyamino acid is adsorbed on the powder. An acidic substance such as citric acid, etc. in the form of a solution or the substance itself is added to the aqueous solution, the same operations are repeated, and the powder is dehydrated and dried.
COPYRIGHT: (C)1982,JPO&Japio
JP3092281A 1981-03-04 1981-03-04 Preparation of modified inorganic powder Pending JPS57145007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3092281A JPS57145007A (en) 1981-03-04 1981-03-04 Preparation of modified inorganic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3092281A JPS57145007A (en) 1981-03-04 1981-03-04 Preparation of modified inorganic powder

Publications (1)

Publication Number Publication Date
JPS57145007A true JPS57145007A (en) 1982-09-07

Family

ID=12317175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3092281A Pending JPS57145007A (en) 1981-03-04 1981-03-04 Preparation of modified inorganic powder

Country Status (1)

Country Link
JP (1) JPS57145007A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007537116A (en) * 2004-03-31 2007-12-20 ビーエーエスエフ　アクチェンゲゼルシャフト Surface-modified metal oxide, process for its production and its use in cosmetic preparations
JP2020147525A (en) * 2019-03-13 2020-09-17 三井化学株式会社 Powder cosmetics containing inorganic powder coated with sodium polyaspartate and method for producing the same, and cosmetic composition containing the powder cosmetics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007537116A (en) * 2004-03-31 2007-12-20 ビーエーエスエフ　アクチェンゲゼルシャフト Surface-modified metal oxide, process for its production and its use in cosmetic preparations
JP2020147525A (en) * 2019-03-13 2020-09-17 三井化学株式会社 Powder cosmetics containing inorganic powder coated with sodium polyaspartate and method for producing the same, and cosmetic composition containing the powder cosmetics

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