US2862870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for upgrading residua
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-11-23
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Granted: 1958-12-02
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Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Alexis Voorhies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:45
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/32; C10G47/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE PROCESS OF UPGRADNG HEAVY OIL TO PRODUCE LOWER BOILING PRODUCTS WHICH COMPRISE COMBINING WITH ONE VOLUME OF FEED ONE TO FOUR VOLUMES OF A PARTIALLY HYDROGENATED RECYCLE STOCK OBTAINED AS DESCRIBED HEREINAFTER, HEATING THE COMBINED FEED AND RECYCLE STOCK TO A TEMPERATURE WITHIN THE RANGE OF 750* TO 100*F., PASSTHE HEATED MIXTURE INTO A REACTION ZONE AND REACTING FOR A SUFFICIENT TIME TO TRANSFER HYDROGEN FROM THE RECYCLE STOCK TO FEED AND TO CRACK THE MISTURE, FRACTIONING THE PRODUCTS OF THE REACTOR TO OBTAIN A MOTOR FUEL FRACTION, A LIGHT GAS OIL FRACTION AND A HEAVY GAS OIL FRACTION, AROMATIZING PART OF SAID LAST MENTIONED FRACTION, PARTIALLY HYDROGENATING THE AROMATIZED AND UNAROMATIZED
Claim 2
Dependent Claim
113 words
THE PROCESS OF UPGRADNG HEAVY OIL TO PRODUCE LOWER BOILING PRODUCTS WHICH COMPRISE COMBINING WITH ONE VOLUME OF FEED ONE TO FOUR VOLUMES OF A PARTIALLY HYDROGENATED RECYCLE STOCK OBTAINED AS DESCRIBED HEREINAFTER, HEATING THE COMBINED FEED AND RECYCLE STOCK TO A TEMPERATURE WITHIN THE RANGE OF 750* TO 100*F., PASSTHE HEATED MIXTURE INTO A REACTION ZONE AND REACTING FOR A SUFFICIENT TIME TO TRANSFER HYDROGEN FROM THE RECYCLE STOCK TO FEED AND TO CRACK THE MISTURE, FRACTIONING THE PRODUCTS OF THE REACTOR TO OBTAIN A MOTOR FUEL FRACTION, A LIGHT GAS OIL FRACTION AND A HEAVY GAS OIL FRACTION, AROMATIZING PART OF SAID LAST MENTIONED FRACTION, PARTIALLY HYDROGENATING THE AROMATIZED AND UNAROMATIZED
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |