US3127313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a radioactive
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:09
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/02; A61K51/12; A61K51/1272; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/32; A61L15/42; A61L15/425; A61L15/44; A61K2121/00; A61L2300/00; A61L2300/40; A61L2300/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF MAKING A RADIOACTIVE COMPOSITION CONSISTING OF A SUBSTANTIALLY WATER-INSOLUBLE RADIOACTIVE SALT ON A GELATIN SPONGE WHICH IS ABSORBABLE IN THE PHYSIOLOGICAL SYSTEM WHICH COMPRISES THE STEPS OF DISPENSING A VOLATILE ALCOHOL SOLVENT CONTAINING A REACTANT PROVIDING A CATION AND A VOLATILE ALCOHOL SOLVENT CONTAINING A REACTANT PROVIDING AN ANION ON A GELATIN SPONGE SEGMENT, REMOVING THE VOLATILE ALCOHOL SOLVENT AND THEREBY OBTAINING A SUBSTANTIALLY WATER-INSOLUBLE SALT CONSISTING OF SAID CATION AND SAID ANION, ONE OF SAID IONS BEING RADIOACTIVE.
Claim 2
Independent Claim
82 words
A METHOD OF MAKING A RADIOACTIVE COMPOSITION CONSISTING OF A SUBSTANTIALLY WATER-INSOLUBLE RADIOACTIVE SALT ON A GELATIN SPONGE WHICH IS ABSORBABLE IN THE PHYSIOLOGICAL SYSTEM WHICH COMPRISES THE STEPS OF DISPENSING A VOLATILE ALCOHOL SOLVENT CONTAINING A REACTANT PROVIDING A CATION AND A VOLATILE ALCOHOL SOLVENT CONTAINING A REACTANT PROVIDING AN ANION ON A GELATIN SPONGE SEGMENT, REMOVING THE VOLATILE ALCOHOL SOLVENT AND THEREBY OBTAINING A SUBSTANTIALLY WATER-INSOLUBLE SALT CONSISTING OF SAID CATION AND SAID ANION, ONE OF SAID IONS BEING RADIOACTIVE.
References Cited (Backward Citations)
US2465357A
Cited
US2911338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |