US2950241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination crude distillation and olefin production process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-12-09
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Granted: 1960-08-23
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 William S Craft
- 👤 William M Smith
- 👤 Carter E Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
C; C10; C10G; C10G7/00; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/91; Y10S585/911; Y10S585/914; Y10S585/919; Y10S585/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A COMBINATION DISTILLATION AND CATALYTIC HYDROCARBON CONVERSION PROCESS THE IMPROVEMENT WHICH COMPRISES PASSING A REDUCED CRUDE OIL CONTAINING A SUBSTANTIAL QUANTITY OF HYDROCARBON COMPONENTS BOILING IN THE GAS OIL BOILING RANGE INTO AN INTERMEDIATE PART OF A PRODUCT FRACTIONATION ZONE OPERATED AT ELEVATED TEMPERATURES AND GREATER THAN ATMOSPHERIC PRESURE, PASSING A MAJOR PORTION OF THE EFFLUENT VAPORS FROM A C2 TO C3 PARAFFIN CRACKING ZONE OPERATED AT TEMPERATURES OF 1450* TO 1550*F. DIRECTLY TO JOIN A MUCH GREATER VOLUME OF VAPORS SUPPLIED FROM A CATALYTIC CRACKING ZONE OPERATED AT TEMPERATURES OF 900 TO 1000*F. THUS RAPIDLY QUENCHING THE HIGH TEMPERATURE EFFLUENT FROM THE PARAFFIN CRACKING PROCESS TO A TEMPERATURE IN THE RANGE OF 900* TO 1000*F., SUPPLY ING THE COMBINED STREAM OF HYDROCARBON VAPORS FROM
Claim 2
Dependent Claim
126 words
IN A COMBINATION DISTILLATION AND CATALYTIC HYDROCARBON CONVERSION PROCESS THE IMPROVEMENT WHICH COMPRISES PASSING A REDUCED CRUDE OIL CONTAINING A SUBSTANTIAL QUANTITY OF HYDROCARBON COMPONENTS BOILING IN THE GAS OIL BOILING RANGE INTO AN INTERMEDIATE PART OF A PRODUCT FRACTIONATION ZONE OPERATED AT ELEVATED TEMPERATURES AND GREATER THAN ATMOSPHERIC PRESURE, PASSING A MAJOR PORTION OF THE EFFLUENT VAPORS FROM A C2 TO C3 PARAFFIN CRACKING ZONE OPERATED AT TEMPERATURES OF 1450* TO 1550*F. DIRECTLY TO JOIN A MUCH GREATER VOLUME OF VAPORS SUPPLIED FROM A CATALYTIC CRACKING ZONE OPERATED AT TEMPERATURES OF 900 TO 1000*F. THUS RAPIDLY QUENCHING THE HIGH TEMPERATURE EFFLUENT FROM THE PARAFFIN CRACKING PROCESS TO A TEMPERATURE IN THE RANGE OF 900* TO 1000*F., SUPPLY ING THE COMBINED STREAM OF HYDROCARBON VAPORS FROM
References Cited (Backward Citations)
US2777801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |