US2745794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination cracking process
Assignee: MW Kellogg Co
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Filing: 1953-01-21
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Granted: 1956-05-15
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Expires: 1973-01-21
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J G Alozery
- 👤 William P Given
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
C; C10; C10G; C10G51/00; C10G51/02; C10G69/00; C10G69/02; C10G69/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CONTINUOUS PROCESS FOR REFINING CRUDE PETROLEUM TO PRODUCE A MAXIMUM OF LIGHT STRAIGHT RUN PRODUCTS AND CRACKED GASOLINE, WHICH INCLUDES THE STEPS OF: CONTINUOUSLY INTRODUCING SAID CRUDE PETROLEUM INTO A CRUDE PETROLEUM DISTILLATION ZONE AND FRACTIONATING SAID CRUDE PETROLEUM THEREIN INTO A REDUCED CRUDE FRACTION HAVING A BOILING RANGE STARTING BETWEEN 400* F. AND 900* F., A HEAVY GAS OIL FRACTION HAVING A BOILING RANGE OF BETWEEN 300* F. TO 700* F. INITIAL AND 600* F. TO 1100* F. FINAL, AND STRAIGHT RUN FRACTIONS OF LOWER BOILING RANGE; CON-
Claim 2
Dependent Claim
90 words
A CONTINUOUS PROCESS FOR REFINING CRUDE PETROLEUM TO PRODUCE A MAXIMUM OF LIGHT STRAIGHT RUN PRODUCTS AND CRACKED GASOLINE, WHICH INCLUDES THE STEPS OF: CONTINUOUSLY INTRODUCING SAID CRUDE PETROLEUM INTO A CRUDE PETROLEUM DISTILLATION ZONE AND FRACTIONATING SAID CRUDE PETROLEUM THEREIN INTO A REDUCED CRUDE FRACTION HAVING A BOILING RANGE STARTING BETWEEN 400* F. AND 900* F., A HEAVY GAS OIL FRACTION HAVING A BOILING RANGE OF BETWEEN 300* F. TO 700* F. INITIAL AND 600* F. TO 1100* F. FINAL, AND STRAIGHT RUN FRACTIONS OF LOWER BOILING RANGE; CON-
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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |