US3282791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhalation aerosol suspension of anhydrous disodium dexamethasone phosphate, propellents, and sorbitan trioleate
Assignee: Merck and Co Inc
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Filing: 1965-08-17
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Granted: 1966-11-01
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Expires: 1985-08-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Macek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/007; A61K9/0073; A61K9/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A SUBSTANTIALLY ANHYDROUS SELF-PROPELLING DEXAMETHASONE PHOSPHATE COMPOSITION SUITABLE FOR INHALATION AEROSOL THERAPY AND CAPABLE OF BEING ADMINISTERED IN SUBSTANTIALLY REDUCED DOSAGES AS COMPARED TO OTHER MODES OF ADMINISTRATION CONSISTING ESSENTIALLY OF A SUSPENSION OF SUBSTANTIALLY ANHYDROUS DISODIUM DEXAMETHASONE PHOSPHATE HAVING PARTICLE SIZE IN THE RANGE OF FROM ABOUT 1 TO 10 MICRONS IN A LIQUI DNONTOXIC PROPELLENT HAVING A VAPOR PRESSURE BEING ABOUT 15 AND 70 POUNDS PER SQUARE INCH GAUGE AT 70*F. WITH SORBITAN TRIOLEATE AS A DISPERSING AGENT, THE INGREDIENTS BEING PRESENT WITHIN THE RANGES:
Claim 2
Dependent Claim
87 words
A SUBSTANTIALLY ANHYDROUS SELF-PROPELLING DEXAMETHASONE PHOSPHATE COMPOSITION SUITABLE FOR INHALATION AEROSOL THERAPY AND CAPABLE OF BEING ADMINISTERED IN SUBSTANTIALLY REDUCED DOSAGES AS COMPARED TO OTHER MODES OF ADMINISTRATION CONSISTING ESSENTIALLY OF A SUSPENSION OF SUBSTANTIALLY ANHYDROUS DISODIUM DEXAMETHASONE PHOSPHATE HAVING PARTICLE SIZE IN THE RANGE OF FROM ABOUT 1 TO 10 MICRONS IN A LIQUI DNONTOXIC PROPELLENT HAVING A VAPOR PRESSURE BEING ABOUT 15 AND 70 POUNDS PER SQUARE INCH GAUGE AT 70*F. WITH SORBITAN TRIOLEATE AS A DISPERSING AGENT, THE INGREDIENTS BEING PRESENT WITHIN THE RANGES:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |