Patent US4980652A successfully refreshed from Google Patents.
Patent US2662005A successfully refreshed from Google Patents.
US2662005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous fuel production
Assignee: ExxonMobil Oil Corp
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Filing: 1953-01-12
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Granted: 1953-12-08
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Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Louis P Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:00
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/02; C10J3/06; C10J3/12; C10G; C10G9/00; C10G9/28; C10G9/30; C10G9/34; C10G9/36; C10G9/38; C10J3/20; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/0946; C10J2300/0953; C10J2300/0956; C10J2300/0973; C10J2300/0976; C10J2300/0983; C10J2300/0986; C10J2300/0993; C10J2300/18; C10J2300/1807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE PROCESS WHICH COMPRISES: PASSING A HOT GRANULAR SOLID DOWNWARDLY IN SERIES THROUTH A REACTOR COMPRISING SUCCESSIVELY A HEAT EXCHANGE ZONE, A COMBUSTION AND WATER GAS REACTION ZONE, A COKING AND GASIFICATION ZONE, AND A COOLING AND STEAM GENERATION ZONE; PASSING WATER IN DIRECT CONTACT WITH SAID SOLID IN SAID COOLING AND STEAM GENERATION ZONE AT A TEMPERATURE BELOW ABOUT 1000* F. WHEREBY STEAM IS GENERATED AND FLOWS UPWARDLY THROUGH SAID REACTOR COUNTERCURRENT TO SAID SOLID; PASSING A HYDROCARBON IN DIRECT CONTACT WITH SAID SOLID IN SAID COKING AND GASIFICATION ZONE, AT A TEMPERATURE BETWEEN ABOUT 1000* F. AND ABOUT 2000* F., AND FOR A CONTACT TIME BETWEEN ABOUT 0.1 SECOND AND ABOUT 10 SECONDS, WHEREBY SAID HYDROCARBON FRACTION IS GASIFIED AND FLOWS UPWARDLY THROUGH SAID REACTOR COUNTERCURRENT TO SAID SOLID; PASSING OXYGENCONTAINING GAS IN DIRECT CONTACT WITH SAID SOLID IN SAID COMBUSTION AND WATER GAS REACTION ZONE
Claim 2
Dependent Claim
148 words
THE PROCESS WHICH COMPRISES: PASSING A HOT GRANULAR SOLID DOWNWARDLY IN SERIES THROUTH A REACTOR COMPRISING SUCCESSIVELY A HEAT EXCHANGE ZONE, A COMBUSTION AND WATER GAS REACTION ZONE, A COKING AND GASIFICATION ZONE, AND A COOLING AND STEAM GENERATION ZONE; PASSING WATER IN DIRECT CONTACT WITH SAID SOLID IN SAID COOLING AND STEAM GENERATION ZONE AT A TEMPERATURE BELOW ABOUT 1000* F. WHEREBY STEAM IS GENERATED AND FLOWS UPWARDLY THROUGH SAID REACTOR COUNTERCURRENT TO SAID SOLID; PASSING A HYDROCARBON IN DIRECT CONTACT WITH SAID SOLID IN SAID COKING AND GASIFICATION ZONE, AT A TEMPERATURE BETWEEN ABOUT 1000* F. AND ABOUT 2000* F., AND FOR A CONTACT TIME BETWEEN ABOUT 0.1 SECOND AND ABOUT 10 SECONDS, WHEREBY SAID HYDROCARBON FRACTION IS GASIFIED AND FLOWS UPWARDLY THROUGH SAID REACTOR COUNTERCURRENT TO SAID SOLID; PASSING OXYGENCONTAINING GAS IN DIRECT CONTACT WITH SAID SOLID IN SAID COMBUSTION AND WATER GAS REACTION ZONE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |