Patent US2829085A successfully refreshed from Google Patents.
US2829085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parenteral vehicle for therapeutic agents
Assignee: Pfizer Inc
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Filing: 1955-06-21
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Granted: 1958-04-01
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Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Clifford F Gerber
- 👤 William W Armstrong
- 👤 Michael J Marmo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:52
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN INJECTABLE COMPOSITION OF MATTER COMPRISING A WATER INSOLUBLE, THERAPEUTICALLY ACTIVE STEROID, WATER AND A SUFFICIENT AMOUNT OF A POLYHYDROXYLATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF SORBITOL, SUCROSE, LEYULOSE, MALTOSE, GALACTOSE, SORBOSE AND DEXTROSE TO GIVE WITH THE WATER A SOLUTION HAVING A SPECIFIC GRAVITY WITHIN ABOUT $0.004 OF THE SPECIFIC GRAVITY OF SAID STERIOD.
Claim 2
Dependent Claim
56 words
AN INJECTABLE COMPOSITION OF MATTER COMPRISING A WATER INSOLUBLE, THERAPEUTICALLY ACTIVE STEROID, WATER AND A SUFFICIENT AMOUNT OF A POLYHYDROXYLATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF SORBITOL, SUCROSE, LEYULOSE, MALTOSE, GALACTOSE, SORBOSE AND DEXTROSE TO GIVE WITH THE WATER A SOLUTION HAVING A SPECIFIC GRAVITY WITHIN ABOUT $0.004 OF THE SPECIFIC GRAVITY OF SAID STERIOD.
References Cited (Backward Citations)
US2061544A
Cited
US2727665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |