US2776247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid catalytic hydroreforming with carbonized catalyst
Assignee: Gulf Research and Development Co
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Filing: 1951-09-24
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Granted: 1957-01-01
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Expires: 1971-09-24
Abstract
No abstract record available.
Inventors
- 👤 Victor J Anhorn
- 👤 Meredith M Stewart
- 👤 Wallace E Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:55
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
THEPROCESS FOR CATALYTICALLY REFORMING IN THE PRESENCE OF HYDROGEN A HYDROCARBON OIL MIXTURE SELECTED FROM THE GROUP CONSISTING OF MIXTURES CONSISTING ESSENTIALLY OF NAPHTHA AND MIXTURES CONSISTING ESSENTIALLY OF A PREDOMINANT AMOUNT OF NAPHTHA AND A MINOR AMOUNT OF GAS OIL WHICH COMPRISES CONTINUOUSLY CONTACTING THE HYDROCARBON OIL MIXTURE WITH HYDROGEN IN THE PRESENCE OF A FLUIDIZED FINELY DIVIDED HYDROREFOPRMING CATALYST CONSISTING ESSENTIALLY OF FROM 5 TO 20 PERCENT BY WEIGHT MOLYBDENUM OXIDE AND A POROUS REFACTORY CARRIER CONSISTING ESSENTIALLY OF ALUMINA AND A MINOR AMOUNT OF SILICA, SAID CATALYST HAVING DEPOSITED THEREON BETWEEN ABOUT 10 AND 25 PERCENT BY WEIGHT OF CARBON THROUGHOUT SAID PROCESS, AT A TEMPERATURE BETWEEN ABOUT 925* AND 975* F., A PRESSURE BETWEEN ABOUT 200 AND 1000 POUNDS PER S QUARE INCH GUAGE, AT AN HOURLY WEIGHT SPACE VELOCITY BETWEEN ABOUT 0.5 AND 5, AND A HYDROGEN CONCENTRATION OF BETWEEN ABOUT 1000 AND 10,000 CUBIC FEET PER BARREL OF CHARGE.
Claim 2
Dependent Claim
155 words
THEPROCESS FOR CATALYTICALLY REFORMING IN THE PRESENCE OF HYDROGEN A HYDROCARBON OIL MIXTURE SELECTED FROM THE GROUP CONSISTING OF MIXTURES CONSISTING ESSENTIALLY OF NAPHTHA AND MIXTURES CONSISTING ESSENTIALLY OF A PREDOMINANT AMOUNT OF NAPHTHA AND A MINOR AMOUNT OF GAS OIL WHICH COMPRISES CONTINUOUSLY CONTACTING THE HYDROCARBON OIL MIXTURE WITH HYDROGEN IN THE PRESENCE OF A FLUIDIZED FINELY DIVIDED HYDROREFOPRMING CATALYST CONSISTING ESSENTIALLY OF FROM 5 TO 20 PERCENT BY WEIGHT MOLYBDENUM OXIDE AND A POROUS REFACTORY CARRIER CONSISTING ESSENTIALLY OF ALUMINA AND A MINOR AMOUNT OF SILICA, SAID CATALYST HAVING DEPOSITED THEREON BETWEEN ABOUT 10 AND 25 PERCENT BY WEIGHT OF CARBON THROUGHOUT SAID PROCESS, AT A TEMPERATURE BETWEEN ABOUT 925* AND 975* F., A PRESSURE BETWEEN ABOUT 200 AND 1000 POUNDS PER S QUARE INCH GUAGE, AT AN HOURLY WEIGHT SPACE VELOCITY BETWEEN ABOUT 0.5 AND 5, AND A HYDROGEN CONCENTRATION OF BETWEEN ABOUT 1000 AND 10,000 CUBIC FEET PER BARREL OF CHARGE.
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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |