Patent US2900548A successfully refreshed from Google Patents.
US3372004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making porous sodium fluoride pellets
Assignee: United States Atomic Energy Commission
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Filing: 1966-03-23
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Granted: 1968-03-05
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Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Earl W Richardson
- 👤 Leonard E Mcneese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:10
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF MAKING A STABLE, POROUS BODY OF SODIUM FLUORIDE SUITABLE FOR WITHSTANDING REPEATED GASEOUS FLUORIDE SORPTION-DESORPTION CYCLES, COMPRISING THE STEPS OF MIXING SODIUM FLUORIDE POWDER WITH WATER TO FORM A WET AGGLOMERATE, DRYING THE AGGLOMERATE, AND SINTERING THE AGGLOMERATE BY HEATING THE LATTER TO A TEMPERATURE SELECTED FROM A RANGE OF TEMPERATURES BETWEEN ABOUT 1200*F. AND ABOUT 1700*F. FOR FORMING THE POROUS BODY.
Claim 2
Independent Claim
65 words
A METHOD OF MAKING A STABLE, POROUS BODY OF SODIUM FLUORIDE SUITABLE FOR WITHSTANDING REPEATED GASEOUS FLUORIDE SORPTION-DESORPTION CYCLES, COMPRISING THE STEPS OF MIXING SODIUM FLUORIDE POWDER WITH WATER TO FORM A WET AGGLOMERATE, DRYING THE AGGLOMERATE, AND SINTERING THE AGGLOMERATE BY HEATING THE LATTER TO A TEMPERATURE SELECTED FROM A RANGE OF TEMPERATURES BETWEEN ABOUT 1200*F. AND ABOUT 1700*F. FOR FORMING THE POROUS BODY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |