Patent US3178289A successfully refreshed from Google Patents.
US3284338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refining of hydrocarbons to produce diesel fuels and gasoline
Assignee: Phillips Petroleum Co
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Filing: 1964-02-24
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Granted: 1966-11-08
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Phillip O Patrick
- 👤 John H Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:32
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/04; C10L; C10L1/00; C10L1/04; C10L1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS COMPRISING THE STEPS OF: (1) DISTILLING A CRUDE OIL TO RECOVER SEPARATE VIRGIN STREAMS OF GAS, GASOLINE, DEROSENE, DIESEL OIL HAVING A POUR POINT OF ABOUT 22*F. AND A 10 PERCENT POINT OF ABOUT 521*F., GAS OIL, AND TOPPED CRUDE; (2) FRACTIONATING THE DIESEL OIL STREAM OF STEP (1) INTO TWO SUBSTANTIALLY EQUAL PORTIONS OF A LIGHTER FRACTION AND A HEAVIER FRACTION THEREOF; AND (3) BLENDING A SUFFICIENT AMOUNT OF THE KEROSENE STEAM OF STEP (1) WITH THE LIGHTER FRACTION OF STEP (2) TO PRODUCE A COMMERCIALLY ACCEPTABLE DIESEL FUEL HAVING A 0*F. POUR POINT, A 485*F. MAXIMUM 10 PERCENT POINT, AND CETANE NUMBER OF ABOUT 51.
Claim 2
Dependent Claim
109 words
A PROCESS COMPRISING THE STEPS OF: (1) DISTILLING A CRUDE OIL TO RECOVER SEPARATE VIRGIN STREAMS OF GAS, GASOLINE, DEROSENE, DIESEL OIL HAVING A POUR POINT OF ABOUT 22*F. AND A 10 PERCENT POINT OF ABOUT 521*F., GAS OIL, AND TOPPED CRUDE; (2) FRACTIONATING THE DIESEL OIL STREAM OF STEP (1) INTO TWO SUBSTANTIALLY EQUAL PORTIONS OF A LIGHTER FRACTION AND A HEAVIER FRACTION THEREOF; AND (3) BLENDING A SUFFICIENT AMOUNT OF THE KEROSENE STEAM OF STEP (1) WITH THE LIGHTER FRACTION OF STEP (2) TO PRODUCE A COMMERCIALLY ACCEPTABLE DIESEL FUEL HAVING A 0*F. POUR POINT, A 485*F. MAXIMUM 10 PERCENT POINT, AND CETANE NUMBER OF ABOUT 51.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |