US2911352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacture of high octane naphthas
Assignee: Standard Oil Co
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Filing: 1957-10-31
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Granted: 1959-11-03
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Expires: 1977-10-31
Abstract
No abstract record available.
Inventors
- 👤 Louis A Goretta
- 👤 Herder Marvin J Den
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PROCESS FOR THE MANUFACTURE OF HIGH OCTANE NAPHTHA FRACTIONS WHICH COMPRISES FRACTIONATING CRUDE OIL TO PRODUCE NAPHTHA AND GAS OIL FRACTIONS THEREFROM, CATALYTICALLY HYDROFORMNG SAID NAPHTHA FRACTION TO IMPROVE ITS OCTANE NUMBER AND SIMULTANEOUSLY PRODUCE HYDROGEN, CATALYTICALLY CRACKING SAID GAS OIL FRACTION TO PRODUCE HIGH OCTANE NAPHTHA AND CATALYTIC GAS OIL, SOLVENT EXTRACTING SAID CATALYTIC GAS OIL TO SEPARATE AN AROMATICS-RICH-HYDROCARBON EXTRACT PHASE FROM AN AROMATIC-LEAN HYDROCARBON RAFFINATE PHASE, HYDRODESULFURIZING SAID HYDROCARBON EXTRACT PHASE, SPLITTING THE HYDRODESULFURIZED EXTRACT PHASE INTO A LOWER BOILING FRACTION SUBSTANTIALLY ALL OF WHICH BOILS BELOW ABOUT 600*F. ANDA HIGHER BOILING FRACTION, CATALYTICALLY CRACKING SAID HIGHER BOILING FRACTION TO PRODUCE HIGH OCTANE NAPHTHA, HYDROGENATIVELY CRACKING SAID LOWER BOILING FRACTION IN THE PRESENCE OF A HYDROGEN STREAM RECOVERED FROM THE PRODUCTS OF SAID CATALYTIC HYDROFORMING AND IN THE PRESENCE OF A CATALYST HAVING HYDROGENATION AND CRACKING PROPERTIES TO PRODUCE A HGH OCTANE NAPHTHA.
Claim 2
Dependent Claim
147 words
A PROCESS FOR THE MANUFACTURE OF HIGH OCTANE NAPHTHA FRACTIONS WHICH COMPRISES FRACTIONATING CRUDE OIL TO PRODUCE NAPHTHA AND GAS OIL FRACTIONS THEREFROM, CATALYTICALLY HYDROFORMNG SAID NAPHTHA FRACTION TO IMPROVE ITS OCTANE NUMBER AND SIMULTANEOUSLY PRODUCE HYDROGEN, CATALYTICALLY CRACKING SAID GAS OIL FRACTION TO PRODUCE HIGH OCTANE NAPHTHA AND CATALYTIC GAS OIL, SOLVENT EXTRACTING SAID CATALYTIC GAS OIL TO SEPARATE AN AROMATICS-RICH-HYDROCARBON EXTRACT PHASE FROM AN AROMATIC-LEAN HYDROCARBON RAFFINATE PHASE, HYDRODESULFURIZING SAID HYDROCARBON EXTRACT PHASE, SPLITTING THE HYDRODESULFURIZED EXTRACT PHASE INTO A LOWER BOILING FRACTION SUBSTANTIALLY ALL OF WHICH BOILS BELOW ABOUT 600*F. ANDA HIGHER BOILING FRACTION, CATALYTICALLY CRACKING SAID HIGHER BOILING FRACTION TO PRODUCE HIGH OCTANE NAPHTHA, HYDROGENATIVELY CRACKING SAID LOWER BOILING FRACTION IN THE PRESENCE OF A HYDROGEN STREAM RECOVERED FROM THE PRODUCTS OF SAID CATALYTIC HYDROFORMING AND IN THE PRESENCE OF A CATALYST HAVING HYDROGENATION AND CRACKING PROPERTIES TO PRODUCE A HGH OCTANE NAPHTHA.
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |