Patent US4089534A successfully refreshed from Google Patents.
Patent US3147080A successfully refreshed from Google Patents.
US3147080A
Expired / Lapsed
US
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Process for preparing hydrogen by steam reforming of hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-07-10
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Granted: 1964-09-01
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles E Jahnig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:05
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/22; C01B3/24; C01B3/28; C01B3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A PROCESS WHEREIN A HIGH PURITY HYDROGEN STREAM IS OBTAINED BY CONTACTING A HYDROCARBON AND STEAM MIXTURE WITH A STREAM REFORMING CATALYST AT A TEMPERATURE SUFFICIENT TO CAUSE SUBSTANTIALLY COMPLETE REACTION, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID HYDROCARBON-STEAM MIXTURE AT A PRESSURE IN THE RANGE OF FROM ABOUT 100 TO 1500 P.S.I.G. AND A TEMPERATURE IN THE RANGE OF FROM ABOUT 1400* TO 3000*F. IN A REACTION ZONE CONTAINING A STEAM REFORMING CATALYST, SAID TEMPERATURE BEING MAINTAINED BY APPLYING AN ELECTRICAL VOLTAGE TO ELECTRICAL RESISTANCE CONTAINED IN SAID REACTION ZONE.
Claim 2
Dependent Claim
91 words
IN A PROCESS WHEREIN A HIGH PURITY HYDROGEN STREAM IS OBTAINED BY CONTACTING A HYDROCARBON AND STEAM MIXTURE WITH A STREAM REFORMING CATALYST AT A TEMPERATURE SUFFICIENT TO CAUSE SUBSTANTIALLY COMPLETE REACTION, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID HYDROCARBON-STEAM MIXTURE AT A PRESSURE IN THE RANGE OF FROM ABOUT 100 TO 1500 P.S.I.G. AND A TEMPERATURE IN THE RANGE OF FROM ABOUT 1400* TO 3000*F. IN A REACTION ZONE CONTAINING A STEAM REFORMING CATALYST, SAID TEMPERATURE BEING MAINTAINED BY APPLYING AN ELECTRICAL VOLTAGE TO ELECTRICAL RESISTANCE CONTAINED IN SAID REACTION ZONE.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |