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Patent US2624712A successfully refreshed from Google Patents.
US2624712A
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Method of processing carbonaceous materials for subsequent activation treatment
Assignee: Honeywell International Inc
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Filing: 1951-02-09
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Granted: 1953-01-06
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Expires: 1971-02-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Donegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:33
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/30; C01B32/312; C01B32/318; C01B32/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN THE PRODUCTION OF GRANULAR CARBONACEOUS SOLID ACTIVATABLE TO ACTIVATED CARBON FROM A SOFT, EASILY FUSIBLE PULVERULENT AND COALESCIBLE MASS OF BENZOL-INSOLUBLE ACTIVATABLE CARBONACEOUS SOLID AND OCCLUDED LIQUOR THE STEPS OF COMPRESSING THE SOLID CONTAINING OCCULDED LIQUOR INTO GRANULES, ADDING TO THE GRANULES WATER IN AN AMOUNT SUFFICIENT TO COMPLETELY ENVELOP THE SAME, VAPORIZING LIQUOR FROM SAID GRANULES WHILE MAINTAINING THEM ENVELOPED IN WATER UNTIL AT LEAST A MAJOR PORTION OF THE LIQUOR HAS BEEN EVAPORATED TO RENDER THE GRANULES HARD AND NON-COALESCENT AND OF HIGHER FUSION POINT, AND CALCINING THE GRANULES UNTIL AN INFUSIBLE ACTIVATABLE CHAR IS OBTAINED.
Claim 2
Dependent Claim
99 words
IN THE PRODUCTION OF GRANULAR CARBONACEOUS SOLID ACTIVATABLE TO ACTIVATED CARBON FROM A SOFT, EASILY FUSIBLE PULVERULENT AND COALESCIBLE MASS OF BENZOL-INSOLUBLE ACTIVATABLE CARBONACEOUS SOLID AND OCCLUDED LIQUOR THE STEPS OF COMPRESSING THE SOLID CONTAINING OCCULDED LIQUOR INTO GRANULES, ADDING TO THE GRANULES WATER IN AN AMOUNT SUFFICIENT TO COMPLETELY ENVELOP THE SAME, VAPORIZING LIQUOR FROM SAID GRANULES WHILE MAINTAINING THEM ENVELOPED IN WATER UNTIL AT LEAST A MAJOR PORTION OF THE LIQUOR HAS BEEN EVAPORATED TO RENDER THE GRANULES HARD AND NON-COALESCENT AND OF HIGHER FUSION POINT, AND CALCINING THE GRANULES UNTIL AN INFUSIBLE ACTIVATABLE CHAR IS OBTAINED.
References Cited (Backward Citations)
US2454941A
Cited
US2549298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |