US2800433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated process for manufacture of gasoline and lubricating oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-12-14
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Granted: 1957-07-23
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Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Chester L Read
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:15
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/10; C10G67/00; C10G67/02; C10G67/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS OF TREATING CRUDE OIL COMPRISING THE STEPS OF DISTILLLING SAID CRUDE OIL TO OBTAIN A HYDROCARBON FRACTION BOILING WITHIN THE RANGE OF ABOUT 500*-1200*F, AND A BOTTOM FRACTION, CRACKING SAID HYDROCARBON FRACTION, FRACTIONATING THE CRACKED PRODUCTS TO OBTAIN A CRACKED FRACTION BOILING IN THE SAME RANGE AS THE FIRST-NAMED FRACTION, SEGREGATING THE CRACKED FRACTION BOILING IN THE SAME RANGE AS THE FIRST NAMED FRACTION BY DISTILLATION INTO A FRACTION RELATIVELY IN AROMATIC HYDROCARBONS AND A FRACTION RELATIVELY POOR IN AROMATIC HYDROCARBONS, AND EXTRACTING SAID FRACTION RELATIVELY POOR IN AROMATIC COMPOUNDS WITH A SELECTIVE SOLVENT TO OBTAIN A PRODUCT SUBSTANTIALLY FREE CONDENSED RING AROMATIC COMPOUNDS.
Claim 2
Dependent Claim
106 words
A PROCESS OF TREATING CRUDE OIL COMPRISING THE STEPS OF DISTILLLING SAID CRUDE OIL TO OBTAIN A HYDROCARBON FRACTION BOILING WITHIN THE RANGE OF ABOUT 500*-1200*F, AND A BOTTOM FRACTION, CRACKING SAID HYDROCARBON FRACTION, FRACTIONATING THE CRACKED PRODUCTS TO OBTAIN A CRACKED FRACTION BOILING IN THE SAME RANGE AS THE FIRST-NAMED FRACTION, SEGREGATING THE CRACKED FRACTION BOILING IN THE SAME RANGE AS THE FIRST NAMED FRACTION BY DISTILLATION INTO A FRACTION RELATIVELY IN AROMATIC HYDROCARBONS AND A FRACTION RELATIVELY POOR IN AROMATIC HYDROCARBONS, AND EXTRACTING SAID FRACTION RELATIVELY POOR IN AROMATIC COMPOUNDS WITH A SELECTIVE SOLVENT TO OBTAIN A PRODUCT SUBSTANTIALLY FREE CONDENSED RING AROMATIC COMPOUNDS.
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) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |