Patent US5632751A successfully refreshed from Google Patents.
US3939260A
Expired / Lapsed
US
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Therapeutic and cosmetic compositions
Assignee: Cephalon France SAS
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Filing: 1974-10-07
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Granted: 1976-02-17
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Expires: 1994-10-07
Abstract
Abstract Lyophilised oil-in-water emulsions and suspensions are useful as compositions for dermatological, cosmetological, buccal, and dental use having the advantage over conventional compositions of lower bulk and better storage stability.
Inventors
- 👤 Victor Lafon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/06; A61K8/18; A61K8/19; A61K8/25; A61K8/30; A61K8/40; A61K8/44; A61K8/447; A61K8/49; A61K8/4973; A61K8/498; A61K8/72; A61K8/73; A61K8/733; A61K8/737; A61K8/96; A61K8/965; A61K9/00; A61K9/0002; A61K9/0007; A61K9/14; A61K9/19; A61K2800/00; A61K2800/20; A61K2800/30; A61K2800/31; A61K2800/40; A61K2800/56; A61Q11/00; A61Q5/00; A61Q5/006; A61Q5/02; A61Q7/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
A process of preparing an emolient cream in a porous support, which comprises admixing a molten oil phase comprising a fatty alcohol and an emulsifier with a heated aqueous phase comprising an emolient, a thickener, an emulsifier and water to form an oil-in-water emulsion; cooling the emulsion to form a cream; immersing a polyurethane foam, while compressed into said cream and allowing the cream to be absorbed into the foam; and freeze-drying the foam thus impregnated with the cream.
Claim 2
Dependent Claim
79 words
A process of preparing an emolient cream in a porous support, which comprises admixing a molten oil phase comprising a fatty alcohol and an emulsifier with a heated aqueous phase comprising an emolient, a thickener, an emulsifier and water to form an oil-in-water emulsion; cooling the emulsion to form a cream; immersing a polyurethane foam, while compressed into said cream and allowing the cream to be absorbed into the foam; and freeze-drying the foam thus impregnated with the cream.
Claim 3
Dependent Claim
11 words
A freeze-dried polyurethane foam obtained by the method of claim 1.
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) | 1979-02-16 | 1979-08-18 | 1980-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-16 | 1983-08-18 | 1984-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-16 | 1987-08-18 | 1988-02-17 | $7700.00 | Window Closed / Lapsed |