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US4070462A Expired / Lapsed US ⏱️ 0.0 years remaining

Steroid ointment

Assignee: Merck Sharp & Dohme LLC
•
Filing: 1976-10-26
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Granted: 1978-01-24
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Expires: 1996-10-26
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Abstract

Abstract An improved ointment for the topical administration of steroids is comprised of a therapeutically effective amount of a 17-mono or 17,21-diester of betamethasone in a non-aqueous base comprised of 5-15% of a glycol solvent, 1-3% of a principle emulsifying agent; 0-7% of a secondary emulsifying agent; and 70-90% of a petrolatum base.

Inventors

  • 👤 Varda Ecker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:06
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0014; A61K31/00; A61K31/56; A61K31/57; A61P; A61P29/00; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K47/14

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 81 words
A method of treating inflammation which comprises applying to the skin a topical formulation comprising an amount effective to treat said inflammation of a dermatologically acceptable anti-inflammatory 17-mono or 17,21-diester of betamethasone in a non-aqueous, water-miscible solvent-in-oil base comprising - 15% of a non-aqueous, water-miscible solvent consisting essentially of a glycol solvent selected from the group consisting of 1,2-propylenediol, butylene glycol, hexylene glycol and mixtures thereof; 1-3% of propylene glycol monostearate; 0-7% of white or yellow wax; and 70-90% of petrolatum.
Claim 2
Independent Claim 81 words
A method of treating inflammation which comprises applying to the skin a topical formulation comprising an amount effective to treat said inflammation of a dermatologically acceptable anti-inflammatory 17-mono or 17,21-diester of betamethasone in a non-aqueous, water-miscible solvent-in-oil base comprising - 15% of a non-aqueous, water-miscible solvent consisting essentially of a glycol solvent selected from the group consisting of 1,2-propylenediol, butylene glycol, hexylene glycol and mixtures thereof; 1-3% of propylene glycol monostearate; 0-7% of white or yellow wax; and 70-90% of petrolatum.
Claim 3
Dependent Claim 15 words
The method of claim 1 wherein the 17-mono or 17,21-diester of betamethasone is betamethasone 17,21-dipropionate.
Claim 4
Dependent Claim 15 words
The method of claim 1 wherein the 17-mono or 17,21-diester of betamethasone is betamethasone valerate.
Claim 5
Dependent Claim 21 words
The method of claim 1 wherein the 17-mono or 17,21-diester of betamethasone is present in an amount of 0.01-0.2% by weight.
Claim 6
Dependent Claim 11 words
The method of claim 1 wherein the glycol solvent is 1,2-propylenediol.
Claim 7
Dependent Claim 11 words
The method of claim 1 wherein the wax is white wax.
Claim 8
Dependent Claim 75 words
A topical ointment for the treatment of inflammation which comprises an amount effective to treat said inflammation of a dermatologically acceptable anti-inflammatory 17-mono or 17,21-diester of betamethasone in a non-aqueous, water-miscible solvent-in-oil base comprising 5-15% of a non-aqueous, water-miscible solvent consisting essentially of a glycol solvent selected from the group consisting of 1,2-propylenediol, butylene glycol, hexylene glycol and mixtures thereof; 1-3% of propylene glycol monostearate; 0-7% of white or yellow wax; and 70-90% of petrolatum.
Claim 9
Dependent Claim 75 words
A topical ointment for the treatment of inflammation which comprises an amount effective to treat said inflammation of a dermatologically acceptable anti-inflammatory 17-mono or 17,21-diester of betamethasone in a non-aqueous, water-miscible solvent-in-oil base comprising 5-15% of a non-aqueous, water-miscible solvent consisting essentially of a glycol solvent selected from the group consisting of 1,2-propylenediol, butylene glycol, hexylene glycol and mixtures thereof; 1-3% of propylene glycol monostearate; 0-7% of white or yellow wax; and 70-90% of petrolatum.
Claim 10
Dependent Claim 15 words
The ointment of claim 7 wherein the 17-mono or 17,21-diester of betamethasone is betamethasone 17,21-dipropionate.
Claim 11
Dependent Claim 15 words
The ointment of claim 7 wherein the 17-mono or 17,21-diester of betamethasone is betamethasone 17-valerate.
Claim 12
Dependent Claim 21 words
The ointment of claim 7 wherein the 17-mono or 17,21-diester of betamethasone is present in an amount of 0.01-0.02% by weight.
Claim 13
Dependent Claim 11 words
The ointment of claim 7 wherein the glycol solvent is 1,2-propylenediol.
Claim 14
Dependent Claim 11 words
The ointment of claim 7 wherein the wax is white wax.
Claim 15
Dependent Claim 16 words
A method of treating psoriasis which comprises applying to the skin an ointment of claim 7.
Claim 16
Dependent Claim 16 words
A method of treating psoriasis which comprises applying to the skin an ointment of claim 8.
Claim 17
Dependent Claim 16 words
A method of treating psoriasis which comprises applying to the skin an ointment of claim 9.
Claim 18
Dependent Claim 16 words
A method of treating psoriasis which comprises applying to the skin an ointment of claim 10.
Claim 19
Dependent Claim 16 words
A method of treating psoriasis which comprises applying to the skin an ointment of claim 11.
Claim 20
Dependent Claim 16 words
A method of treating psoriasis which comprises applying to the skin an ointment of claim 12.

References Cited (Backward Citations)

US3312590A Cited
US3780177A Cited
US3755566A Cited
US3892856A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-01-23 1981-07-25 1982-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-01-23 1985-07-25 1986-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-01-23 1989-07-25 1990-01-24 $7700.00 Window Closed / Lapsed

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