Patent US2980523A successfully refreshed from Google Patents.
US2980523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of carbon monoxide and hydrogen
Assignee: Texaco Inc
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Filing: 1958-12-01
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Granted: 1961-04-18
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Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 Roger M Dille
- 👤 Ronald W Chapman
- 👤 John C Ahlborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:02
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2006/00; C01P2006/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A PROCESS FOR THE PRODUCTION OF CARBON MONOXIDE AND HYDROGEN FROM CARBONACEOUS FUELS WHEREIN SAID FUEL IS REACTED WITH AN OXYGEN-CONTAINING GAS IN A REACTION ZONE TO PRODUCE A PRODUCT GAS STREAM COMPRISING CARBON MONOXIDE, HYDROGEN AND ENTRAINED CARBONACEOUS SOLID, AND SAID PRODUCT GAS STREAM IS CONTACTED WITH WATER IN A GAS SCRUBBING ZONE EFFECTING REMOVAL OF CARBONACEOUS SOLID FROM SAID GAS STREAM, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID GAS STREAM COMPRISING CARBON MONOXIDE, HYDROGEN AND ENTRAINED CARBONACEOUS SOLID WITH LIQUID HYDROCARBON IN AN AMOUNT WITIHIN THE RANGE EQUIVALENT TO ABOUT 0.5 TO 2.0 TIMES THE OIL ABSORPTION VALUE OF SAID ENTRAINED CARBONACEOUS SOLID AND INSUFFICIENT TO EFFECT REMOVAL OF SAID ENTRAINED SOLID FROM SAID GAS STREAM BEFORE CONTACTING SAID PRODUCT GAS STREAM WITH SAID WATER RENDERING SAID CARBONACEOUS SOLID HYDROPHOBIC AND THEREAFTER SCRUBBING SAID GAS STREAM WITH WATER EFFECTING REMOVAL OF SAID CARBONACEOUS SOLID FROM SAID GAS STREAM.
Claim 2
Dependent Claim
150 words
IN A PROCESS FOR THE PRODUCTION OF CARBON MONOXIDE AND HYDROGEN FROM CARBONACEOUS FUELS WHEREIN SAID FUEL IS REACTED WITH AN OXYGEN-CONTAINING GAS IN A REACTION ZONE TO PRODUCE A PRODUCT GAS STREAM COMPRISING CARBON MONOXIDE, HYDROGEN AND ENTRAINED CARBONACEOUS SOLID, AND SAID PRODUCT GAS STREAM IS CONTACTED WITH WATER IN A GAS SCRUBBING ZONE EFFECTING REMOVAL OF CARBONACEOUS SOLID FROM SAID GAS STREAM, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID GAS STREAM COMPRISING CARBON MONOXIDE, HYDROGEN AND ENTRAINED CARBONACEOUS SOLID WITH LIQUID HYDROCARBON IN AN AMOUNT WITIHIN THE RANGE EQUIVALENT TO ABOUT 0.5 TO 2.0 TIMES THE OIL ABSORPTION VALUE OF SAID ENTRAINED CARBONACEOUS SOLID AND INSUFFICIENT TO EFFECT REMOVAL OF SAID ENTRAINED SOLID FROM SAID GAS STREAM BEFORE CONTACTING SAID PRODUCT GAS STREAM WITH SAID WATER RENDERING SAID CARBONACEOUS SOLID HYDROPHOBIC AND THEREAFTER SCRUBBING SAID GAS STREAM WITH WATER EFFECTING REMOVAL OF SAID CARBONACEOUS SOLID FROM SAID GAS STREAM.
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |