US3193487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydrogenation of viscosity broken hydrocarbon oils
Assignee: Gulf Research and Development Co
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Filing: 1961-02-16
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Granted: 1965-07-06
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Beuther Harold
- 👤 Richard A Flinn
- 👤 Bruce K Schmid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:50
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE PROCESS WHICHCOMPRISES SUBJECTING A MEMBER OF THE GROUP CONSISTING OF CRUDES, REDUCED CRUDES AND TOPPED CRUDES HAVING AN API GRAVITY TO BELOW ABOUT 20* TO MODERATE VISBREAKING TO FORM BETWEEN ABOUT 1 AND 15 PERCENT GASOLINE AND SUBJECTING AT LEAST THE GASOLINEFREE PORTION OF THE VISBROKEN MATERIAL TO TREATMENT WITH HYDROGEN IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF OXIDES AND SULFIDES OF A METAL OF GROUP VI LEFT-HAND COLUMN AND THE IRON GROUP AT A PRESSURE BETWEEN ABOUT 1000 AND 2000 P.S.I., AT A TEMPERATURE BETWEEN ABOUT 650* AND 820*F., AT A SPACE VELOCITY BETWEEN ABOUT 0.2 AND 10 VOLUMES OF CHARGE PER VOLUME OF CATALYST PER HOUR, AND AT A HYDROGEN RECYCLE RATE OF BETWEEN ABOUT 1000 AND 20,000 STANDARD CUBIC FEET PER BARREL OF VISBROKEN HYDROCARBON CHARGE STOCK.
Claim 2
Dependent Claim
136 words
THE PROCESS WHICHCOMPRISES SUBJECTING A MEMBER OF THE GROUP CONSISTING OF CRUDES, REDUCED CRUDES AND TOPPED CRUDES HAVING AN API GRAVITY TO BELOW ABOUT 20* TO MODERATE VISBREAKING TO FORM BETWEEN ABOUT 1 AND 15 PERCENT GASOLINE AND SUBJECTING AT LEAST THE GASOLINEFREE PORTION OF THE VISBROKEN MATERIAL TO TREATMENT WITH HYDROGEN IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF OXIDES AND SULFIDES OF A METAL OF GROUP VI LEFT-HAND COLUMN AND THE IRON GROUP AT A PRESSURE BETWEEN ABOUT 1000 AND 2000 P.S.I., AT A TEMPERATURE BETWEEN ABOUT 650* AND 820*F., AT A SPACE VELOCITY BETWEEN ABOUT 0.2 AND 10 VOLUMES OF CHARGE PER VOLUME OF CATALYST PER HOUR, AND AT A HYDROGEN RECYCLE RATE OF BETWEEN ABOUT 1000 AND 20,000 STANDARD CUBIC FEET PER BARREL OF VISBROKEN HYDROCARBON CHARGE STOCK.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |