Patent US4124720A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4124720A Expired / Lapsed US ⏱️ 0.0 years remaining

Therapeutic hydrodispersible emulsion

Assignee: Individual
•
Filing: 1976-03-08
•
Granted: 1978-11-07
•
Expires: 1996-03-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 15:03
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)

US1979385A Cited
US2172118A Cited
US2129836A Cited
US2114370A Cited
US3211618A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag