US3846550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic skin powder containing urea
Assignee: Individual
•
Filing: 1972-12-18
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Granted: 1974-11-05
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Expires: 1992-12-18
Abstract
Abstract A cosmetic and skin care powder consisting essentially of urea, an oil phase and an inorganic pigment, all of which are reacted to form the final product. The reactants comprise about 0.1-74.9 percent urea, about 0.1-60 percent oil phase and about 0.1-99.5 percent inorganic pigment.
Inventors
- 👤 H Akrongold
- 👤 R Akrongold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:25
CPC Classifications
A; A61; A61Q; A61Q1/00; A61Q1/12; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61Q1/02; A61Q1/10; A61K2800/00; A61K2800/40; A61K2800/42; A61K2800/43
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
132 words
A COSMETIC SKIN CARE POWDER COMPOSITION CONSISTING ESSENTIALLY OF A PRECIPITATE FORMED BY THE REACTION OF ABOUT 0.1-74.9 PERCENT BY WEIGH OF UREA IN SOLUTION, ABOUT 0.1-60 PERCENT BY WEIGHT OF AN OIL PHASE AND ABOUT 0.1-99.5 PERCENT BY WEIGHT OF AN INORGANIC PIGMENT, SAID UREA SOLUTION AND SAID OIL PHASE BEING AGITATED IN THE PRESENCE OF ALCOHOL UNTIL A CLEAR SOLUTION IS OBTAINED PRIOR TO ADMIXTURE WITH THE OIL PHASE, SAID OIL PHASE BEING SELECTED FROM THE GROUP CONSISTING OF MINERAL OIL, LANOLIN, LANOLIN ALCOHOL, VEGETABLE OIL, SILICON FLUIDS, KEROSENE, POLYALKYLENE GLYCOL, SATURATED AND UNSATRUATED STRAIGHT OR BRANCHED CHAIN FATTY ACIDS AND DIMER ACIDS HAVING BETWEEN FIVE AND 52 CARBON ATOMS, FATTY ALCOHOLS AND DIMER ALCOHOLS HAVING BETWEEN FIVE AND 52 CARBON ATOMS, ESTERS OF SAID FATTY ACIDS, AND MIXTURES THEREOF.
Claim 2
Dependent Claim
132 words
A COSMETIC SKIN CARE POWDER COMPOSITION CONSISTING ESSENTIALLY OF A PRECIPITATE FORMED BY THE REACTION OF ABOUT 0.1-74.9 PERCENT BY WEIGH OF UREA IN SOLUTION, ABOUT 0.1-60 PERCENT BY WEIGHT OF AN OIL PHASE AND ABOUT 0.1-99.5 PERCENT BY WEIGHT OF AN INORGANIC PIGMENT, SAID UREA SOLUTION AND SAID OIL PHASE BEING AGITATED IN THE PRESENCE OF ALCOHOL UNTIL A CLEAR SOLUTION IS OBTAINED PRIOR TO ADMIXTURE WITH THE OIL PHASE, SAID OIL PHASE BEING SELECTED FROM THE GROUP CONSISTING OF MINERAL OIL, LANOLIN, LANOLIN ALCOHOL, VEGETABLE OIL, SILICON FLUIDS, KEROSENE, POLYALKYLENE GLYCOL, SATURATED AND UNSATRUATED STRAIGHT OR BRANCHED CHAIN FATTY ACIDS AND DIMER ACIDS HAVING BETWEEN FIVE AND 52 CARBON ATOMS, FATTY ALCOHOLS AND DIMER ALCOHOLS HAVING BETWEEN FIVE AND 52 CARBON ATOMS, ESTERS OF SAID FATTY ACIDS, AND MIXTURES THEREOF.
Claim 3
Dependent Claim
59 words
The composition of claim 1 wherein the pigment is any one or a selected mixture of members of the group consisting of talc, aluminum, alumina, aluminum silicate, silica, iron oxide, ferric hydroxide, burned sienna, zinc oxide, titanium oxide, titanium dioxide, sodium aluminum silicate, calcium silicate, calcium carbonate, magnesium carbonate, manganese oxide, chrome oxide, sulfur, carbon black, clay and hematite.
Claim 4
Dependent Claim
10 words
The composition of claim 1 embodied in an aerosol formulation.
References Cited (Backward Citations)
US3196079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |