US3363988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst and process for fluidized decomposition of hydrocarbons to produce hydrogen
Assignee: Universal Oil Products Co
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Filing: 1965-01-04
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Granted: 1968-01-16
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 John C Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:05
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; B01J37/02; B01J37/0201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A PROCESS FOR PRODUCING HYDROGEN BY THE FLUIDIZED CONTACTING OF A NORMALLY GASEOUS HYDROCARBON STREAM AT DECOMPOSITION CONDITIONS WITH SUBDIVIDED ALUMINA-NICKEL CATALYST PARTICLES, THE IMPROVED PROCESSING OPERATION TO PRECLUDE NICKLE DIASSOCIATION FROM THE PARTICLES AND CLINKER FORMATION IN THE CONTACTING ZONES WHICH COMPRISES CONTACTING SUCH HYDROCARBON STREAM WITH SUBDIVIDED ESSENTIALLY ALUMINA-NICKEL CATALYST PARTICLES FORMED AS A COMPOSITE WITHOUT HAVING ANY HIGH TEMPERATURE OXIDATION PRIOR TO THE ADDITION OF THE NICKEL TO THE COMPOSITE, DRYING THE FORMED COMPOSITE PARTICLES AND THEN SUBJECTING THEM TO CALCINATION STEP IN A CALCINING GAS STREAM CONTAING FROM 25% TO 80% BY VOLUME OF STEAM AT A TEMPERATURE ABOVE ABOUT 1000*F. FOR AT LEAST A TWO-HOUR PERIOD.
Claim 2
Dependent Claim
112 words
IN A PROCESS FOR PRODUCING HYDROGEN BY THE FLUIDIZED CONTACTING OF A NORMALLY GASEOUS HYDROCARBON STREAM AT DECOMPOSITION CONDITIONS WITH SUBDIVIDED ALUMINA-NICKEL CATALYST PARTICLES, THE IMPROVED PROCESSING OPERATION TO PRECLUDE NICKLE DIASSOCIATION FROM THE PARTICLES AND CLINKER FORMATION IN THE CONTACTING ZONES WHICH COMPRISES CONTACTING SUCH HYDROCARBON STREAM WITH SUBDIVIDED ESSENTIALLY ALUMINA-NICKEL CATALYST PARTICLES FORMED AS A COMPOSITE WITHOUT HAVING ANY HIGH TEMPERATURE OXIDATION PRIOR TO THE ADDITION OF THE NICKEL TO THE COMPOSITE, DRYING THE FORMED COMPOSITE PARTICLES AND THEN SUBJECTING THEM TO CALCINATION STEP IN A CALCINING GAS STREAM CONTAING FROM 25% TO 80% BY VOLUME OF STEAM AT A TEMPERATURE ABOVE ABOUT 1000*F. FOR AT LEAST A TWO-HOUR PERIOD.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |