US4124720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic hydrodispersible emulsion
Assignee: Individual
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Filing: 1976-03-08
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Granted: 1978-11-07
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Expires: 1996-03-08
Abstract
Abstract The disclosure relates to a therapeutic oil in water emulsion, wherein the dispersed phase comprises 5 to 20% by weight of fatty acids, 1 to 30% by weight of an emulsifying agent, 2 to 40% by weight of wetting agents, 0.1 to 5% by weight of a protective colloid, 0 to 60% by weight of waxes and oils, and a base in amount sufficient to always maintain the pH in the vicinity of 6.2.
Inventors
- 👤 Georges E. J. Wenmaekers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:09
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/361; A61K8/34; A61K8/345; A61K8/37; A61K8/375; A61K8/72; A61K8/73; A61K8/733; A61K8/92; A61K8/922; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q19/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
120 words
A therapeutic composition in the form of an aqueous emulsion, for local application to the skin in the prevention and treatment of cutaneous thermal burns, which comprises about 75% by weight of water and about 25% by weight of a mixture of the following ingredients, on dry basis: a. 5 to 20% by weight of stearic acid; b. 1 to 30% by weight of an emulsifying agent; c. 2 to 40% by weight of a wetting agent; d. 0.1 to 5% by weight of sodium alginate as a protective colloid; e. 0 to 60% by weight of waxes and oils; and f. an organic base consisting of triethanolamine to provide an emulsion having a pH in the vicinity of 6.2.
Claim 2
Dependent Claim
120 words
A therapeutic composition in the form of an aqueous emulsion, for local application to the skin in the prevention and treatment of cutaneous thermal burns, which comprises about 75% by weight of water and about 25% by weight of a mixture of the following ingredients, on dry basis: a. 5 to 20% by weight of stearic acid; b. 1 to 30% by weight of an emulsifying agent; c. 2 to 40% by weight of a wetting agent; d. 0.1 to 5% by weight of sodium alginate as a protective colloid; e. 0 to 60% by weight of waxes and oils; and f. an organic base consisting of triethanolamine to provide an emulsion having a pH in the vicinity of 6.2.
Claim 3
Dependent Claim
12 words
The composition of claim 1, wherein the emulsifying agent is glycol monostearate.
Claim 4
Dependent Claim
11 words
The composition of claim 1, wherein the wetting agent is propanediol-1,2.
Claim 5
Dependent Claim
19 words
The composition of claim 1, wherein the waxes are selected from the group consisting of hard paraffin and hexadecanol.
Claim 6
Dependent Claim
22 words
The composition of claim 1, wherein the oils are selected from the group consisting of mineral oils, fish oils and vegetable oils.
Claim 7
Dependent Claim
12 words
The composition of claim 5, wherein the mineral oil is liquid paraffin.
Claim 8
Dependent Claim
12 words
The composition of claim 5, wherein the fish oil is squalene oil.
Claim 9
Dependent Claim
12 words
The composition of claim 5, wherein the vegetable oil is avocado oil.
Claim 10
Dependent Claim
27 words
The composition of claim 1, wherein the mixture includes an antiseptic agent, a bactericide-fungicide agent, a bacteriostatic agent, an antibiotic or a corticosteroid, or a mixture thereof.
Claim 11
Dependent Claim
20 words
The composition of claim 9, wherein the bactericide-fungicide agent is present in an amount of 0.1 to 2% by weight.
Claim 12
Dependent Claim
11 words
The composition of claim 10, wherein the bactericide-fungicide agent is hexachlorophene.
Claim 13
Dependent Claim
20 words
The composition of claim 9, wherein the bacteriostatic agent is present in an amount of 0.01 to 1% by weight.
Claim 14
Dependent Claim
11 words
The composition of claim 12, wherein the bacteriostatic agent is 6-acetoxy-3,4-dimethyl-dioxane.
Claim 15
Dependent Claim
45 words
The composition of claim 1, wherein the mixture includes 15% by weight of stearic acid, 23% by weight of the emulsifying agent, 10% by weight of the wetting agent, 3% by weight of the protective colloid and 49% by weight of the waxes and oils.
Claim 16
Dependent Claim
33 words
The composition of claim 14, wherein the emulsifying agent is glycol monostearate, the wetting agent is propane-diol, and the waxes and oils are solid paraffin, hexadecanol, liquid paraffin, squalene oil or avocado oil.
Claim 17
Dependent Claim
23 words
A method of treating a burn on a patient suffering from burns which comprises applying to the burn the composition of claim 1.
Claim 18
Dependent Claim
74 words
A therapeutic oil in water emulsion containing about 75% water and a dispersed phase which comprises, on a dry weight basis; a. 5 to 20% by weight of stearic acid; b. 1 to 30% by weight an emulsifying agent; c. 2 to 40% by weight of a wetting agent; and d. 0.1 to 5% by weight of a protective colloid which is an alginate, said emulsion having a pH in the vicinity of 6.2
Claim 19
Dependent Claim
74 words
A therapeutic oil in water emulsion containing about 75% water and a dispersed phase which comprises, on a dry weight basis; a. 5 to 20% by weight of stearic acid; b. 1 to 30% by weight an emulsifying agent; c. 2 to 40% by weight of a wetting agent; and d. 0.1 to 5% by weight of a protective colloid which is an alginate, said emulsion having a pH in the vicinity of 6.2
Claim 20
Dependent Claim
14 words
The composition of claim 17, wherein the alginate is sodium alginate or triethanolamine alginate.
Claim 21
Dependent Claim
23 words
A method of treating burns on a patient suffering from burns which comprises repeatedly applying to the burns the composition of claim 17.
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) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |