US3725295A
Expired / Lapsed
US
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Technetium labeling
Assignee: United States Atomic Energy Commission
•
Filing: 1971-07-20
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Granted: 1973-04-03
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Expires: 1991-07-20
Abstract
Abstract THE PROCESS OF USING 99MTC IN A RADIOPHARMACEUTICAL COMPRISING THE USE OF A STANNOUS ION AS THE REDUCING AGENT WITH THE PERTECHNETATE ION CONTAINING THE RADIONUCLIDE.
Inventors
- 👤 W Eckelman
- 👤 P Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/02; A61K51/04; A61K51/0474; A61K51/0478; A61K51/048; A61K2123/00; Y; Y10; Y10S; Y10S436/00; Y10S436/804; Y10S436/823; Y10S436/826
Claims Analysis
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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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |