US2985512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of hydrogen
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-04-14
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Granted: 1961-05-23
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Expires: 1979-04-14
Abstract
No abstract record available.
Inventors
- 👤 Jr William Floyd Arey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:53
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C01B3/32; C01B3/34; C01B3/38; C01B3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS OF PRODUCING A GAS RICH IN HYDROGEN, WHICH COMPRISES CONTACTING A GASEOUS STREAM CONSISTING OF NORMALLY GASEOUS HYDROCARBON AND HYDROGEN PREHEATED TO A TEMPERATURE IN THE RANGE OF 1500* TO ABOUT 2000*F. WITH FINELY DIVIDED STEAM ACTIVATED COKE FOR A CONTACT PERIOD IN THE RANGE OF ABOUT 1 TO 6 SECONDS, AND RECOVERING A RESULTING GAS PRODUCT STREAM CONSISTING OF HYDROGEN AND HYDROCARBON OF INCREASED HYDROGEN CONTENT WITH A RELATIVELY SMALL AMOUNT OF UNCOVERTED GASEOUS HYDROCARBON.
Claim 2
Dependent Claim
78 words
A PROCESS OF PRODUCING A GAS RICH IN HYDROGEN, WHICH COMPRISES CONTACTING A GASEOUS STREAM CONSISTING OF NORMALLY GASEOUS HYDROCARBON AND HYDROGEN PREHEATED TO A TEMPERATURE IN THE RANGE OF 1500* TO ABOUT 2000*F. WITH FINELY DIVIDED STEAM ACTIVATED COKE FOR A CONTACT PERIOD IN THE RANGE OF ABOUT 1 TO 6 SECONDS, AND RECOVERING A RESULTING GAS PRODUCT STREAM CONSISTING OF HYDROGEN AND HYDROCARBON OF INCREASED HYDROGEN CONTENT WITH A RELATIVELY SMALL AMOUNT OF UNCOVERTED GASEOUS HYDROCARBON.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |