US4804532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facial cosmetic powder containing crystalline silica and colors
Assignee: COSMET PRODUCTS Inc A CORP OF
•
Filing: 1986-09-09
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Granted: 1989-02-14
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Expires: 2006-09-09
Abstract
Abstract A facial cosmetic powder having a coloring phase containing crystalline silica and coloring material and a diluent phase containing talc and a binding agent.
Inventors
- 👤 Francis Busch, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:35
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/08; A61K; A61K8/00; A61K8/02; A61K8/0241; A61K8/0254; A61K8/18; A61K8/19; A61K8/25; A61K8/29; A61Q1/00; A61Q1/12; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
90 words
A facial cosmetic powder which when applied to the face of a user completely hides facial wrinkles, lines and pores without caking or appearing chalky, said powder comprising: a coloring phase containing crystalline silica and coloring material, said silica having a plate-like structure and an average particle size falling within the range of 7.3 to 12.9 microns; and a diluent phase containing talc and a binding agent, the coloring and diluent phases being thoroughly blended, the silica content falling within the range of 1-3 parts by weight of the powder.
Claim 2
Dependent Claim
90 words
A facial cosmetic powder which when applied to the face of a user completely hides facial wrinkles, lines and pores without caking or appearing chalky, said powder comprising: a coloring phase containing crystalline silica and coloring material, said silica having a plate-like structure and an average particle size falling within the range of 7.3 to 12.9 microns; and a diluent phase containing talc and a binding agent, the coloring and diluent phases being thoroughly blended, the silica content falling within the range of 1-3 parts by weight of the powder.
Claim 3
Dependent Claim
14 words
The powder of claim 1 wherein the coloring material includes iron oxide based colors.
Claim 4
Dependent Claim
13 words
The powder of claim 2 wherein the coloring material also includes titanium dioxide.
Claim 5
Dependent Claim
25 words
The powder of claim 3 wherein the binding agent is at least one compound selected from the group consisting of bismuth oxychloride and magnesium carbonate.
Claim 6
Dependent Claim
13 words
The powder of claim 4 wherein said agent is both of said compounds.
Claim 7
Dependent Claim
42 words
The powder of claim 5 having the following constituents as expressed in parts by weight: ______________________________________
CONSTITUENT PARTS BY WEIGHT
______________________________________
TALC 50.0
MAGNESIUM CARBONATE
5.0
CRYSTALLINE SILICA
2.0
MICA 10.0
TITANIUM DIOXIDE 2.0
BISMUTH OXYCHLORIDE
0.5
IRON OXIDE COLORS 0.5
______________________________________
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-14 | 1992-08-15 | 1993-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-14 | 1996-08-15 | 1997-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-14 | 2000-08-15 | 2001-02-14 | $7700.00 | Window Closed / Lapsed |