US2783133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen production
Assignee: ExxonMobil Oil Corp
•
Filing: 1952-12-05
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Granted: 1957-02-26
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Expires: 1972-12-05
Abstract
No abstract record available.
Inventors
- 👤 Sylvander C Eastwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:29
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C01B3/32; C01B3/34; C01B3/38; C01B3/42; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/0266; C01B2203/0272; C01B2203/04; C01B2203/0415; C01B2203/0465; C01B2203/0475; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241; C01B2203/14; C01B2203/142; C01B2203/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE PROCESS WHICH COMPRISES: PASSING A HOT GRANULAR SOLID DOWNWARDLY IN SERIES THROUGH AN UPPER REACTION ZONE AND A LOWER REACTION ZONE; TRANSFERRING SAID SOLID DOWNWARDLY FROM SAID UPPER ZONE TO SAID LOWER ZONE THROUGH AT LEAST ONE TRANSFER ZONE OF RESTRICTED CROSSSECTION; PASSIGN A NORMALLY GASEOUS HYDROCARBON HEAVIER THEN METHANE IN DIRECT CONTACT WITH SAID SOLID IN SAID LOWER ZONE AT A TEMPERATURE BETWEEN ABOUT 1400*F. AND ABOUT 1700*F. AND FOR A CONTACT TIME BETWEEN ABOUT TEN SECONDS AND ABOUT FIVE SECONDS, WHEREUPON SAID HYDROCARBON IS CRACKED TO METHANE, HYDROGEN ADN COKE; PASSING STEAM AND SAID CARACKED PRODUCTS IN DIRECT CONTACT WITH SAID SOLID IN SAID UPPER ZONE AT A HIGHER TEMPERATURE BETWEEN ABOUT 1700*F. AND ABOUT 2000*F. AND FOR A CONTACT TIME BETWEEN ABOUT ONE SECOND TO ABOUT FIVE SECONDS, WHEREUPON SAID METHANE IS CONVERTED TO ADDITIONAL HYDROGEN.
Claim 2
Dependent Claim
140 words
THE PROCESS WHICH COMPRISES: PASSING A HOT GRANULAR SOLID DOWNWARDLY IN SERIES THROUGH AN UPPER REACTION ZONE AND A LOWER REACTION ZONE; TRANSFERRING SAID SOLID DOWNWARDLY FROM SAID UPPER ZONE TO SAID LOWER ZONE THROUGH AT LEAST ONE TRANSFER ZONE OF RESTRICTED CROSSSECTION; PASSIGN A NORMALLY GASEOUS HYDROCARBON HEAVIER THEN METHANE IN DIRECT CONTACT WITH SAID SOLID IN SAID LOWER ZONE AT A TEMPERATURE BETWEEN ABOUT 1400*F. AND ABOUT 1700*F. AND FOR A CONTACT TIME BETWEEN ABOUT TEN SECONDS AND ABOUT FIVE SECONDS, WHEREUPON SAID HYDROCARBON IS CRACKED TO METHANE, HYDROGEN ADN COKE; PASSING STEAM AND SAID CARACKED PRODUCTS IN DIRECT CONTACT WITH SAID SOLID IN SAID UPPER ZONE AT A HIGHER TEMPERATURE BETWEEN ABOUT 1700*F. AND ABOUT 2000*F. AND FOR A CONTACT TIME BETWEEN ABOUT ONE SECOND TO ABOUT FIVE SECONDS, WHEREUPON SAID METHANE IS CONVERTED TO ADDITIONAL HYDROGEN.
References Cited (Backward Citations)
GB390849A
Cited
US2523284A
Cited
US2608478A
Cited
US2647041A
Cited
US2607670A
Cited
US2632690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |