US3062712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prednisolone sesquihydrate compositions
Assignee: Pharmacia and Upjohn Co
•
Filing: 1959-11-09
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Granted: 1962-11-06
•
Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Jack K Dale
- 👤 Arthur R Hanze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:00
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/57; A61K31/573
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A STABLE AQUEOUS SUSPENSION FOR TOPICAL AND PARENTERAL ADMINISTRATION COMPRISING PREDNISOLONE SESQUIHYDRATE HAVING THE FORMULA ($1,4-PREGNADIENE-3,20-DIONE11B,17A,21-TRIOL)2.(H2O3), HAVING A PARTICLE SIZE NO MORE THAN ABOUT 20 MICRONS AND A PHARMACEUTICALLY ACCEPTABLE VEHICLE.
Claim 2
Dependent Claim
31 words
A STABLE AQUEOUS SUSPENSION FOR TOPICAL AND PARENTERAL ADMINISTRATION COMPRISING PREDNISOLONE SESQUIHYDRATE HAVING THE FORMULA ($1,4-PREGNADIENE-3,20-DIONE11B,17A,21-TRIOL)2.(H2O3), HAVING A PARTICLE SIZE NO MORE THAN ABOUT 20 MICRONS AND A PHARMACEUTICALLY ACCEPTABLE VEHICLE.
References Cited (Backward Citations)
US2801202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |