US3560607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol formulations of finely divided solid medicaments with anionic surface-active agents
Assignee: Fisons Pharmaceuticals Ltd
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Filing: 1968-07-05
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Granted: 1971-02-02
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Expires: 1988-07-05
Abstract
Abstract AEROSOL FORMULATIONS ARE PROVIDED COMPRISING A FINELY DIVIDED SOLID MEDICAMENT, A PROPELLANT, AND AN ANIOMIC SURFACE-ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, AMMONIUM AND AMINE SALTS OF DIALKYL SULPHOSUCCINC ACIDS WHEREIN THE ALKYL GROUPS CONTAIN FROM 4 TO 12 CARBON ATOMS, AND A ALKALI METAL, AMMONIUM AND AMINE SALTS OF ALKYLBENZENE SULPHONIC ACIDS WHEREIN THE ALKYL GROUPS CONTAIN FROM 8 TO 14 CARBON ACIDS.
Inventors
- 👤 Philip Saxton Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:45
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/007; A61K9/0073; A61K9/008; A61K31/00; A61K31/13; A61K31/14; A61K31/33; A61K31/395; A61K31/435; A61K31/46; A61K31/47; A61K31/48; A61K31/56; A61K31/57; B; B65; B65D; B65D83/00; B65D83/14; B65D83/141
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |