US4892726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Makeup or cosmetic compositions
Assignee: Momentive Performance Materials Japan LLC
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Filing: 1988-05-20
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Granted: 1990-01-09
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Expires: 2008-05-20
Abstract
Abstract There are disclosed makeup or cosmetic compositions comprising polymethylsilsesquiozane powders.
Inventors
- 👤 Kazuya Yonekura
- 👤 Shoji Daikuzono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:06
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/895; A61K8/02; A61K8/0241; A61K8/025; A61K8/891; A61Q; A61Q1/00; A61Q1/02; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
39 words
A makeup or cosmetic composition comprising polymethylsilsesquioxane powders which has a mean particle diameter of 0.05 to 100 μm and where 80% or more of the polymethylsilsesquioxane particles are within the range of ±30% of the mean particle diameter.
Claim 2
Dependent Claim
39 words
A makeup or cosmetic composition comprising polymethylsilsesquioxane powders which has a mean particle diameter of 0.05 to 100 μm and where 80% or more of the polymethylsilsesquioxane particles are within the range of ±30% of the mean particle diameter.
Claim 3
Dependent Claim
15 words
A makeup or cosmetic composition as claimed in claim 1 wherein polymethylsilsesquioxane powders are spherical.
Claim 4
Dependent Claim
15 words
A makeup or cosmetic composition as claimed in claim 1 further comprising cosmetic binder oil.
References Cited (Backward Citations)
DE245815C
Cited
GB1141994A
Cited
JPS5798205A
Cited
US4528390A
Cited
JPS61100514A
Cited
JPS61194009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-08 | 1993-07-10 | 1994-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-08 | 1997-07-10 | 1998-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-08 | 2001-07-10 | 2002-01-09 | $7700.00 | Window Closed / Lapsed |