US3266995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skin delustering colloidal silica composition and method
Assignee: Yardley of London Inc
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Filing: 1962-07-10
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Granted: 1966-08-16
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Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Lanzet Monroe
- 👤 Nathan A Ziskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:15
CPC Classifications
A; A61; A61Q; A61Q1/00; A61Q1/02; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/25; A61K8/30; A61K8/33; A61K8/37; A61K8/375; A61K8/39; A61Q1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF TREATING THE SKIN TO DELUSTER THE SURFACE THEREOF COMPRISING APPLYING TO THE SKIN A MAKE-UP COSMETIC CONSISTING OF AN OIL AND WATER EMULSION, AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOLS, POLYHYDRIC ALCOHOLS AND GLYCOL ETHERS, AND AN EXTENDER, SAID MAKE-UP CONTAINING ABOUT 1.5% TO 10.5% OF COLLOIDAL SILICA SUFFICIENT TO PROVIDE DELUSTERING EFFECT ON THE SKIN, THE AMOUNT OF SAID SILICA BEING LESS THAN THAT CAUSING GELATION OF SAID MAKE-UP, THE PARTICLE SIZE BEING BELOW ABOUT 5 MICRONS.
Claim 2
Independent Claim
85 words
A METHOD OF TREATING THE SKIN TO DELUSTER THE SURFACE THEREOF COMPRISING APPLYING TO THE SKIN A MAKE-UP COSMETIC CONSISTING OF AN OIL AND WATER EMULSION, AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF MONOHYDRIC ALCOHOLS, POLYHYDRIC ALCOHOLS AND GLYCOL ETHERS, AND AN EXTENDER, SAID MAKE-UP CONTAINING ABOUT 1.5% TO 10.5% OF COLLOIDAL SILICA SUFFICIENT TO PROVIDE DELUSTERING EFFECT ON THE SKIN, THE AMOUNT OF SAID SILICA BEING LESS THAN THAT CAUSING GELATION OF SAID MAKE-UP, THE PARTICLE SIZE BEING BELOW ABOUT 5 MICRONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |