US3749773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelled steroid ointment
Assignee: Warner Lambert Co LLC
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Filing: 1971-02-25
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Granted: 1973-07-31
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Expires: 1991-02-25
Abstract
Abstract THE PRESENT INVENTION RELATES TO A TOPICAL OINTMENT BASE ESPECIALLY SUITED TO THE INCORPORTION OF A SUITABLE STERIOD. THE OINTMENT BASE OF THE PRESENT INVENTION IS A MIXTURE OF ETHANOL, PROPYLENE GLYCOL AND WATER HAVING A TOPICALLY ACTIVE AMOUNT OF BETAMETHASONE 17-BENZOATE DISSOLVED THEREIN AND GELLED WITH A NEUTRALIZED CARBOXY VINYL POLYMER.
Inventors
- 👤 F Ninger
- 👤 M Eichman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:05
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/57; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K47/30; A61K47/32; A61K9/00; A61K9/0012; A61K9/0014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |