US2524840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen production
Assignee: Hercules Powder Co
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Filing: 1945-02-06
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Granted: 1950-10-10
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Expires: 1965-02-06
Abstract
No abstract record available.
Inventors
- 👤 James H Shapleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:25
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/40; C01B2203/00; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PROCESS OF PREPARING HYDROGEN WHICH COMPRISES PASSING A GASEOUS HYDROCARBON INTO AN INJECTION TUBE EXTENDING FOR A CONSIDERABLE DISTANCE INTO THE ENTRANCE OF A HEATED REACTION TUBE, PASSING STEAM IN CONTACT WITH THE REACTION TUBE INTO AN OUTER ZONE SURROUNDING THE INJECTION TUBE AND CONCURRENT TO THE FLOW OF THE HYDROCARBON TO FORM A CURTAIN OF PASSING STEAM BETWEEN THE OUTSIDE OF THE INJECTION TUBE AND THE INSIDE OF THE HEATED REACTION TUBE, PASSING THE GASES FROM THE INJECTION TUBE AND THE OUTER ZONE INTO A MIXING ZONE WITHIN THE REACTION TUBE, IMMEDIATELY PASSING THE MIXED GASES FROM THE MIXING ZONE THROUGH A CATALYTIC ZONE WITHIN THE REACTION TUBE IN CONTACT WITH NICKEL CATALYST, AND WITHDRAWING FROM THE HEATED REACTION TUBE A GASEOUS PRODUCT COMPRISING HYDROGEN AND OXIDES OF CARBON SUBSTANTIALLY FREE OF OTHER CARBONACEOUS MATERIALS.
Claim 2
Dependent Claim
137 words
A PROCESS OF PREPARING HYDROGEN WHICH COMPRISES PASSING A GASEOUS HYDROCARBON INTO AN INJECTION TUBE EXTENDING FOR A CONSIDERABLE DISTANCE INTO THE ENTRANCE OF A HEATED REACTION TUBE, PASSING STEAM IN CONTACT WITH THE REACTION TUBE INTO AN OUTER ZONE SURROUNDING THE INJECTION TUBE AND CONCURRENT TO THE FLOW OF THE HYDROCARBON TO FORM A CURTAIN OF PASSING STEAM BETWEEN THE OUTSIDE OF THE INJECTION TUBE AND THE INSIDE OF THE HEATED REACTION TUBE, PASSING THE GASES FROM THE INJECTION TUBE AND THE OUTER ZONE INTO A MIXING ZONE WITHIN THE REACTION TUBE, IMMEDIATELY PASSING THE MIXED GASES FROM THE MIXING ZONE THROUGH A CATALYTIC ZONE WITHIN THE REACTION TUBE IN CONTACT WITH NICKEL CATALYST, AND WITHDRAWING FROM THE HEATED REACTION TUBE A GASEOUS PRODUCT COMPRISING HYDROGEN AND OXIDES OF CARBON SUBSTANTIALLY FREE OF OTHER CARBONACEOUS MATERIALS.
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |