US2880167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production and utilization of activated carbon catalyst
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-06-01
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Granted: 1959-03-31
•
Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
- 👤 Robert W Krebs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:21
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/20; B01J27/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CONTINOUS INTEGRATED PROCESS FOR THE PRODUCTION AND UTILIZATION OF PARTICULATE, ACTIVATED, CARBON CATALYST COMPRISING: MAINTAINING IN A CONVERSION ZONE AT A CONVERSION TEMPERATURE MOBILIZED, PARTICULATE, CARBON CATALYST; MAINTAINING IN AN ACTIVATION ZONE AT AN ACTIVATION TEMPERATURE MOBILIZED PARTICULATE COKE; MAINTAINING IN A COMBUSTION ZONE MOBILIZED PARTICULATE INERT SOLIDS HAVING A FREE FALL VELOCITY SUBSTANTIALLY GREATER THAN THE FREE FALL VELOCITY OF SAID PARTICULATE COKE; INJECTING HYDROCARBON OILS INTO SAID CONVERSION ZONE TO PRODUCE HYDROCARBON VAPORS AND CARBONACEOUS RESIDUE WHICH IS DEPOSITED ON SAID PARTICULATE CARBON CATALYST THEREBY REDUCING THE ACTIVITY OF SAID PARTICULATE CARBONCATALYST; INJECTING STEAM INTO SAID ACTIVATION ZONE TO ACTIVATE SAID PARTICULATE COKE IN AN OXYGEN-FREE ATMOSPHERE AND TO PRODUCE A COMBUSTIBLE GAS; CIRCULATING SAID CONBUSTIBLE GAS TO SAID COMBUSTION ZONE; INJECTING A FREE OXYGEN-CONTAINING GAS INTO SAID COMBUSTION ZONE WHEREBY SAID COMBUSTIBLE GAS IS BURNT THEREBY HEATING SAID PARTICULATE INERT SOLIDS TO A
Claim 2
Dependent Claim
147 words
A CONTINOUS INTEGRATED PROCESS FOR THE PRODUCTION AND UTILIZATION OF PARTICULATE, ACTIVATED, CARBON CATALYST COMPRISING: MAINTAINING IN A CONVERSION ZONE AT A CONVERSION TEMPERATURE MOBILIZED, PARTICULATE, CARBON CATALYST; MAINTAINING IN AN ACTIVATION ZONE AT AN ACTIVATION TEMPERATURE MOBILIZED PARTICULATE COKE; MAINTAINING IN A COMBUSTION ZONE MOBILIZED PARTICULATE INERT SOLIDS HAVING A FREE FALL VELOCITY SUBSTANTIALLY GREATER THAN THE FREE FALL VELOCITY OF SAID PARTICULATE COKE; INJECTING HYDROCARBON OILS INTO SAID CONVERSION ZONE TO PRODUCE HYDROCARBON VAPORS AND CARBONACEOUS RESIDUE WHICH IS DEPOSITED ON SAID PARTICULATE CARBON CATALYST THEREBY REDUCING THE ACTIVITY OF SAID PARTICULATE CARBONCATALYST; INJECTING STEAM INTO SAID ACTIVATION ZONE TO ACTIVATE SAID PARTICULATE COKE IN AN OXYGEN-FREE ATMOSPHERE AND TO PRODUCE A COMBUSTIBLE GAS; CIRCULATING SAID CONBUSTIBLE GAS TO SAID COMBUSTION ZONE; INJECTING A FREE OXYGEN-CONTAINING GAS INTO SAID COMBUSTION ZONE WHEREBY SAID COMBUSTIBLE GAS IS BURNT THEREBY HEATING SAID PARTICULATE INERT SOLIDS TO A
References Cited (Backward Citations)
US2342862A
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US2376564A
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US2538219A
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US2719111A
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US2725341A
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US2763601A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |