Patent US3216947A successfully refreshed from Google Patents.
US3216947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wet method for preparing alkali metal coated carrier particles
Assignee: California Research LLC
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Filing: 1962-06-01
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Granted: 1965-11-09
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Expires: 1982-06-01
Abstract
No abstract record available.
Inventors
- 👤 John B Wilkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:41
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN THE DISPOSITION OF MOLTEN ALKALI METALS OF ATOMIC NUMBER BELOW 12 UPON SOLID, INERT INORGANIC, CARRIER COMPOUNDS CONTAINING CHEMICALLY BOUND OXYGEN, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID ALKALI METAL AND SAID COMPOUND WITHIN A STIRRED, INERT LIQUID HYDROCARBON MEDIUM AT A TEMPERATURE IN THE RANGE FROM ABOUT 50*200*C. IN THE PRESENCE OF MOLTEN POTASSIUM METAL WHEREIN FOR EACH PART BY WEIGHT OF SAID ALKALI METAL OF ATOMIC NUMBER BELOW 12, THERE IS FROM ABOUT .01 TO 99 PARTS OF POTASSIUM AND FROM ABOUT 0.5 TO 100 PARTS OF SAID CARRIER COMPOUND.
Claim 2
Dependent Claim
92 words
IN THE DISPOSITION OF MOLTEN ALKALI METALS OF ATOMIC NUMBER BELOW 12 UPON SOLID, INERT INORGANIC, CARRIER COMPOUNDS CONTAINING CHEMICALLY BOUND OXYGEN, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID ALKALI METAL AND SAID COMPOUND WITHIN A STIRRED, INERT LIQUID HYDROCARBON MEDIUM AT A TEMPERATURE IN THE RANGE FROM ABOUT 50*200*C. IN THE PRESENCE OF MOLTEN POTASSIUM METAL WHEREIN FOR EACH PART BY WEIGHT OF SAID ALKALI METAL OF ATOMIC NUMBER BELOW 12, THERE IS FROM ABOUT .01 TO 99 PARTS OF POTASSIUM AND FROM ABOUT 0.5 TO 100 PARTS OF SAID CARRIER COMPOUND.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |