Patent US3336218A successfully refreshed from Google Patents.
US3336218A
Expired / Lapsed
US
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Catalytic hydroforming process
Assignee: Citgo Petroleum Corp
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Filing: 1966-01-03
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Granted: 1967-08-15
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Expires: 1986-01-03
Abstract
No abstract record available.
Inventors
- 👤 Hugh P Hebert
- 👤 Seymour C Schuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:02
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A HYDROFORMING PROCESS WHICH COMPRISES SUBJECTING A LIQUID HYDROCARBON FRACTION BOILING WITHING THE RANGE OF 185* F. TO 450*F. TO HYDROFORMING CONDITIONS INCLUDING A TEMPERATURE BETWEEN ABOUT 800 TO 950*F., A PRESSURE BETWEEN ABOUT 100 AND 500 P.S.I.G. AND A WEIGHT SPACE VELOCITY BETWEEN ABOUT 0.2 AND ABOUT 2.0 IN THE PRESENCE OF BETWEEN ABOUT 500 AND ABOUT 8,000 STANDARD CUBIC FEET OF HYDROGEN PER BARREL OF HYDROCARBON FEED AND A FLUIDIZED CATALYST PREVIOUSLY CALCINED AT A TEMPARATURE OF 1375 TO 1425*F., SUCH CATALYST CONSISTING ESSENTIALLY OF COBALT OXIDE AND MOLYBDENUM OXIDE UPON AN ALUMINA SUPPORT.
Claim 2
Dependent Claim
96 words
A HYDROFORMING PROCESS WHICH COMPRISES SUBJECTING A LIQUID HYDROCARBON FRACTION BOILING WITHING THE RANGE OF 185* F. TO 450*F. TO HYDROFORMING CONDITIONS INCLUDING A TEMPERATURE BETWEEN ABOUT 800 TO 950*F., A PRESSURE BETWEEN ABOUT 100 AND 500 P.S.I.G. AND A WEIGHT SPACE VELOCITY BETWEEN ABOUT 0.2 AND ABOUT 2.0 IN THE PRESENCE OF BETWEEN ABOUT 500 AND ABOUT 8,000 STANDARD CUBIC FEET OF HYDROGEN PER BARREL OF HYDROCARBON FEED AND A FLUIDIZED CATALYST PREVIOUSLY CALCINED AT A TEMPARATURE OF 1375 TO 1425*F., SUCH CATALYST CONSISTING ESSENTIALLY OF COBALT OXIDE AND MOLYBDENUM OXIDE UPON AN ALUMINA SUPPORT.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |