US3736262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colloidal composition useful as vehicle for diagnostic radioisotopes
Assignee: Individual
•
Filing: 1969-01-28
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Granted: 1973-05-29
•
Expires: 1989-01-28
Abstract
Abstract A COMPOSITION USEFUL AS A VEHICLE FOR DIAGNOSTIC RADIOISOTOPES WHICH COMPRISES THE COLLOIDAL COMPOSITON RESULTING FROM MIXING AT ELEVATED TEMPERATURES, WATER, AN ANTIMONNY SALT OF A POLYHYDROXY ACID AND AMMONIUM SULFIDE. THE DIAGNOSTIC RADIOISOTOPE IS DISPERSED IN THE COLLOIDAL COMPOSITION AND ADSORBED BY THE PARTICLES OF SUCH COLLOIDAL COMPOSITION.
Inventors
- 👤 O Pirtle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:12
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/12; A61K51/1217; A61K2123/00
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |