Patent US2449819A successfully refreshed from Google Patents.
US3241933A
Expired / Lapsed
US
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Process for the reforming of natural gas
Assignee: Conch International Methane Ltd
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Filing: 1962-04-24
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Granted: 1966-03-22
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Expires: 1982-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ploum Arnold Jozef Willem
- 👤 Hashemi-Tafreshi Hadi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:06
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C9/04; C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/32; C01B3/34; C01B3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
PROCESS OF REFORMING NATURAL GAS INTO HYDROGEN AND CARBON MONOXIDE BY REACTIONWITH OXYGEN COMPRISING (A) PRESSURIZING LIQUEFIED NATURAL GAS TO PRODUCE PRESSURIZED LIQUEFIED NATURAL GAS, (B) EVAPORATING THE PRESSURIZED LIQUEFIED NATURAL GAS BY PASSING IT IN HEAT EXCHANGE RELATIONSHIP WITH AIR TO COOL THE AIR AND TO PRODUCE PRESSURIZED NATURAL GAS, (C) RECTIFYING THE COOLED AIR FROM STEP (B) TO PRODUCE OXYGEN, (D) HEATING THE SAID PRESSURIZED NATURAL GAS BY INDIRECT HEAT EXCHANGE WITH THE REACTION PRIDUCTS OF A SUBSEQUENT REFORMING STEP, (E) PASSING THE HEATED AND PRESSURIZED NATURAL GAS FROM STEP (D) THROUGH AN EXPANSION ENGINE TO REDUCE THE PRESSURE OF THE NATURAL GAS AND TO PRODUCE USEFUL MECHANICAL ENERGY, (F) REACTING NATURAL GAS FROM STEP (E) WITH OXYGEN FROM STEP (C) TO PRODUCE HYDROGEN AND CARBON MONXIDE AS REFORMED GAS PRODUCT AT A HIGH TEMPPERATURE, AND (G) USING THE HOT REFORMED GAS PRIDUCED FROM STEP (F) IN THE HEAT EXCHANGE OF STEP (D).
Claim 2
Dependent Claim
155 words
PROCESS OF REFORMING NATURAL GAS INTO HYDROGEN AND CARBON MONOXIDE BY REACTIONWITH OXYGEN COMPRISING (A) PRESSURIZING LIQUEFIED NATURAL GAS TO PRODUCE PRESSURIZED LIQUEFIED NATURAL GAS, (B) EVAPORATING THE PRESSURIZED LIQUEFIED NATURAL GAS BY PASSING IT IN HEAT EXCHANGE RELATIONSHIP WITH AIR TO COOL THE AIR AND TO PRODUCE PRESSURIZED NATURAL GAS, (C) RECTIFYING THE COOLED AIR FROM STEP (B) TO PRODUCE OXYGEN, (D) HEATING THE SAID PRESSURIZED NATURAL GAS BY INDIRECT HEAT EXCHANGE WITH THE REACTION PRIDUCTS OF A SUBSEQUENT REFORMING STEP, (E) PASSING THE HEATED AND PRESSURIZED NATURAL GAS FROM STEP (D) THROUGH AN EXPANSION ENGINE TO REDUCE THE PRESSURE OF THE NATURAL GAS AND TO PRODUCE USEFUL MECHANICAL ENERGY, (F) REACTING NATURAL GAS FROM STEP (E) WITH OXYGEN FROM STEP (C) TO PRODUCE HYDROGEN AND CARBON MONXIDE AS REFORMED GAS PRODUCT AT A HIGH TEMPPERATURE, AND (G) USING THE HOT REFORMED GAS PRIDUCED FROM STEP (F) IN THE HEAT EXCHANGE OF STEP (D).
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |