Patent US2999741A successfully refreshed from Google Patents.
US2999741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of carbon monoxide and hydrogen
Assignee: Texaco Inc
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Filing: 1958-05-29
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Granted: 1961-09-12
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Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Roger M Dille
- 👤 Roland W Chapman
- 👤 John C Ahlborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:24
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD FOR RECOVERING CARBONACEOUS SOLID FROM A GAS STREAM RESULTING FROM REACTION OF CARBONACEOUS FUEL WITH OXYGEN IN A REACTION ZONE TO PRODUCE A PRODUCT GAS STREAM COMPRISING CARBON MONOXIDE, HYDROGEN, AND ENTRAINED CARBONACEOUS SOLID, WHICH COMPRISES CONTACTING SAID PRODUCT GAS STREAM WITH WATER IN A GAS SCRUBBING ZONE EFFECTING REMOVAL OF CARBONACEOUS SOLID FROM SAID GAS STREAM AND FORMING A DISPERSION OF SOLID IN WATER, CONTACTING SAID DISPERSION WITH A LIQUID HYDROCARBON MIXTURE HAVING A GRAVITY ABOVE 20* API AND CONTAINING LOWER GRAVITY COMPONENTS EFFECTING RESOLUTION OF SAID DISPERSION INTO CLARIFIED WATER AND A SLURRY OF SOLID IN SAID HYDROCARBON MIXTURE, SEPARATING SAID SLURRY AND SAID
Claim 2
Independent Claim
108 words
A METHOD FOR RECOVERING CARBONACEOUS SOLID FROM A GAS STREAM RESULTING FROM REACTION OF CARBONACEOUS FUEL WITH OXYGEN IN A REACTION ZONE TO PRODUCE A PRODUCT GAS STREAM COMPRISING CARBON MONOXIDE, HYDROGEN, AND ENTRAINED CARBONACEOUS SOLID, WHICH COMPRISES CONTACTING SAID PRODUCT GAS STREAM WITH WATER IN A GAS SCRUBBING ZONE EFFECTING REMOVAL OF CARBONACEOUS SOLID FROM SAID GAS STREAM AND FORMING A DISPERSION OF SOLID IN WATER, CONTACTING SAID DISPERSION WITH A LIQUID HYDROCARBON MIXTURE HAVING A GRAVITY ABOVE 20* API AND CONTAINING LOWER GRAVITY COMPONENTS EFFECTING RESOLUTION OF SAID DISPERSION INTO CLARIFIED WATER AND A SLURRY OF SOLID IN SAID HYDROCARBON MIXTURE, SEPARATING SAID SLURRY AND SAID
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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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |