US5165915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherical clay mineral powder, process for production thereof and composition containing the same
Assignee: Shiseido Co Ltd
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Filing: 1990-06-14
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Granted: 1992-11-24
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Expires: 2010-06-14
Abstract
Abstract A spherical clay mineral powder or spherical composite powder comprising water-swellable clay mineral with specific surface are of 100 m 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.
Inventors
- 👤 Kazuo Tokubo
- 👤 Michihiro Yamaguchi
- 👤 Jyunko Suzuki
- 👤 Toshio Yoshioka
- 👤 Fujihiro Kanda
- 👤 Minoru Fukuda
- 👤 Toshihide Ikeda
- 👤 Takeshi Kawaura
- 👤 Yoshiaki Yagita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/26; A61K8/02; A61K8/0216; A61K8/022; A61K8/0241; A61K8/025; A61Q; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/06; A61Q1/08; A61Q1/12; A61Q15/00; C; C09; C09C; C09C1/00; C09C1/0081; C09C1/40; C09C1/42; C01; C01P; C01P2004/00; C01P2004/01; C01P2004/03; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/12; Y; Y10; Y10S; Y10S424/00; Y10S424/05
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
99 words
In a cosmetic composition selected from the group consisting of an eyeliner, mascara, powdery foundation, lipstick and rouge, and comprising at least one component selected from the group consisting of oil components, waxes, pigments, powders, surfactants, preservatives, dyes, antioxidants, perfumes, humectants, water-soluble polymers, oil-soluble polymers, and clay minerals, wherein the improvement comprises from 0.1% to 80% by weight of a spherical water-swellable clay mineral powder of hectorite or saponite having a specific surface area of at least 100 m 2 /g and a particle size of 2 to 30 μm, whereby the composition exhibits improved smoothness, slippage and transparency.
Claim 2
Dependent Claim
99 words
In a cosmetic composition selected from the group consisting of an eyeliner, mascara, powdery foundation, lipstick and rouge, and comprising at least one component selected from the group consisting of oil components, waxes, pigments, powders, surfactants, preservatives, dyes, antioxidants, perfumes, humectants, water-soluble polymers, oil-soluble polymers, and clay minerals, wherein the improvement comprises from 0.1% to 80% by weight of a spherical water-swellable clay mineral powder of hectorite or saponite having a specific surface area of at least 100 m 2 /g and a particle size of 2 to 30 μm, whereby the composition exhibits improved smoothness, slippage and transparency.
Claim 3
Dependent Claim
43 words
A cosmetic composition according to claim 1, wherein the water-swellable clay mineral powder is obtained by dispersing a water-swellable clay mineral with a specific surface area of 100 m 2 /g or more in an aqueous solvent, and then spray drying the dispersion.
Claim 4
Dependent Claim
101 words
In a cosmetic composition selected from the group consisting of an eyeliner, mascara, powdery foundation, lipstick and rouge, and comprising 0.05 to 75% by weight of at least one water-soluble substance selected from the group consisting of water soluble polymers, polyhydric alcohols and quaternary ammonium salts, wherein the improvement comprises a spherical organic composite clay mineral powder containing 25 to 99.5% of a water-swellable mineral clay powder of hectorite or saponite having a specific surface area of at least 100 m 2 /g and a particle size of 2 to 30 μm, whereby the composition exhibits improved smoothness, slippage and transparency.
Claim 5
Dependent Claim
101 words
In a cosmetic composition selected from the group consisting of an eyeliner, mascara, powdery foundation, lipstick and rouge, and comprising 0.05 to 75% by weight of at least one water-soluble substance selected from the group consisting of water soluble polymers, polyhydric alcohols and quaternary ammonium salts, wherein the improvement comprises a spherical organic composite clay mineral powder containing 25 to 99.5% of a water-swellable mineral clay powder of hectorite or saponite having a specific surface area of at least 100 m 2 /g and a particle size of 2 to 30 μm, whereby the composition exhibits improved smoothness, slippage and transparency.
Claim 6
Dependent Claim
49 words
A cosmetic composition according to claim 3, wherein the spherical organic composite clay mineral powder is obtained by dispersing the water-swellable mineral clay with the specific surface area of 100 m 2 /g or more and the water-soluble substance in an aqueous solvent, and then spray drying the dispersion.
Claim 7
Dependent Claim
106 words
In a cosmetic composition selected from the group consisting of an eyeliner, mascara, powdery foundation, lipstick and rouge, and comprising 0.05 to 75% by weight of at least one organic substance soluble in an organic solvent selected from the group consisting of oil components having an emollient effect, oil-soluble dyes and perfumes, wherein the improvement comprises 25 to 99.5% of a spherical organic composite clay mineral containing a water-swellable clay mineral powder of hectorite or saponite having a specific surface area of at least 100 m 2 /g and a particle size of 2 to 30 μm, whereby the composition exhibits improved smoothness, slippage and transparency.
Claim 8
Dependent Claim
106 words
In a cosmetic composition selected from the group consisting of an eyeliner, mascara, powdery foundation, lipstick and rouge, and comprising 0.05 to 75% by weight of at least one organic substance soluble in an organic solvent selected from the group consisting of oil components having an emollient effect, oil-soluble dyes and perfumes, wherein the improvement comprises 25 to 99.5% of a spherical organic composite clay mineral containing a water-swellable clay mineral powder of hectorite or saponite having a specific surface area of at least 100 m 2 /g and a particle size of 2 to 30 μm, whereby the composition exhibits improved smoothness, slippage and transparency.
Claim 9
Dependent Claim
54 words
A cosmetic composition according to claim 5, wherein the spherical organic composite clay mineral powder is obtained by dispersing the spherical water-swellable clay mineral powder obtained by spray drying an aqueous dispersion of the water-swellable clay mineral powder in an organic solvent containing the organic substance dissolved therein, and thereafter, volatilizing said organic solvent.
References Cited (Backward Citations)
FR1230742A
Cited
US3439088A
Cited
JPS5141443A
Cited
US3998973A
Cited
JPS5232024A
Cited
US4431673A
Cited
JPS60228406A
Cited
US4659571A
Cited
US4783333A
Cited
JPS6465807A
Cited
JPH01111367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-11-24 | 1996-05-25 | 1996-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-24 | 2000-05-25 | 2000-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-24 | 2004-05-25 | 2004-11-24 | $7700.00 | Window Closed / Lapsed |