USRE27240E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic preparation of iron
Assignee: —
•
Filing: 1969-10-07
•
Granted: 1971-11-23
•
Expires: 1989-10-07
Abstract
Abstract 4. A THERAPEUTIC COMPOSITION FOR TREATING IRON DEFICIENCY ANEMIA COMPRISING A NON-TOXIC, STERILE, COLLODIAL AQUEOUS SOLUTION OF A SUBSTANTIALLY NON-IONIC COMPLEX OF FERRIC HYDROXIDE WITH A DEXTRAN HAVING AN AVERAGE INTRINSIC VISCOSITY AT 25*C. OF ABOUT 0.025 TO ABOUT 0.25, SAID SOLUTION HAVING A PH OF ABOUT 4 TO ABOUT 8.5.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:37
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/28; A61K31/295; A61K33/00; A61K33/24; A61K33/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
A THERAPEUTIC COMPOSITION FOR TREATING IRON DEFICIENCY ANEMIA COMPRISING A NON-TOXIC, STERILE, COLLODIAL AQUEOUS SOLUTION OF A SUBSTANTIALLY NON-IONIC COMPLEX OF FERRIC HYDROXIDE WITH A DEXTRAN HAVING AN AVERAGE INTRINSIC VISCOSITY AT 25*C. OF ABOUT 0.025 TO ABOUT 0.25, SAID SOLUTION HAVING A PH OF ABOUT 4 TO ABOUT 8.5.
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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |