US4298604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clotrimazole-betamethasone dipropionate combination
Assignee: Merck Sharp & Dohme LLC
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Filing: 1980-10-06
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Granted: 1981-11-03
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Expires: 2000-10-06
Abstract
Abstract Antifungal compositions comprising clotrimazole and betamethasone dipropionate are disclosed.
Inventors
- 👤 Susan B. Hammell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:05
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/57; A61P; A61P31/00; A61P31/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
46 words
A pharmaceutical composition comprising about 0.001 to about 0.33 percent by weight betamethasone dipropionate and about 0.01 to about 10 percent by weight clotrimazole, wherein the ratio of clotrimazole to betamethasone dipropionate ranges from about 10 to about 30 to 1, in a pharmaceutically acceptable carrier.
Claim 2
Dependent Claim
46 words
A pharmaceutical composition comprising about 0.001 to about 0.33 percent by weight betamethasone dipropionate and about 0.01 to about 10 percent by weight clotrimazole, wherein the ratio of clotrimazole to betamethasone dipropionate ranges from about 10 to about 30 to 1, in a pharmaceutically acceptable carrier.
Claim 3
Dependent Claim
35 words
A composition according to claim 1, wherein the concentration of betamethasone dipropionate is about 0.01 to about 0.1 percent by weight and the concentraton of clotrimazole is about 0.1 to about 2 percent by weight.
Claim 4
Dependent Claim
28 words
A composition according to claim 1, wherein the concentration of betamethasone is about 0.06 percent by weight and the concentration of clotrimazole is about 1 percent by weight.
Claim 5
Dependent Claim
12 words
A composition according to claim 1 in the form of a cream.
Claim 6
Dependent Claim
12 words
A composition according to claim 1 in the form of an ointment.
Claim 7
Dependent Claim
12 words
A composition according to claim 1 in the form of a lotion.
References Cited (Backward Citations)
US3784692A
Cited
US4018918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-02 | 1985-05-04 | 1985-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-02 | 1989-05-04 | 1989-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-02 | 1993-05-04 | 1993-11-03 | $7700.00 | Window Closed / Lapsed |