US2891000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for feeding heavy oils into conversion systems
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-09-23
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Granted: 1959-06-16
•
Expires: 1973-09-23
Abstract
No abstract record available.
Inventors
- 👤 William J Metrailer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:10
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/28; C10G9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS OF CONVERTING HEAVY RESIDUAL HYDROCARBON OIL WHICH COMPRISES PREHEATING SAID OIL TO A TEMPERATURE BETWEEN ABOUT 300*F. AND 700*F., SUPPLYING SAID PREHEATED OIL TO A CONFINED PASSAGEWAY SURROUNDED BY A SEPARATE PASSAGEWAY IN ANNULAR RELATIONSHIP TO SAID FIRST CONFINED PASSAGEWAY, SAID CONFINED PASSAGEWAY HAVING AN ORIFICE NEAR ITS END, SAID SEPARATE PASSAGEWAY HAVING AN OUTLET OPENING BEYOND SAID ORIFICE, PASSING SAID PREHEATED OIL FROM SAID CONFINED PASSAGEWAY THROUGH SAID ORIFICE ARRANGED AT AN ANGLE BETWEEN ABOUT 75* AND 105* TO THE FLOW OF HOT GAS, TO BE REFERRED TO HEREINAFTER, AT A LINEAL RATE OF ABOUT 3 TO 30 FEET PER SECOND, FLOWING A JET OF HOT GAS THROUGH SAID SEPARATE PASSAGEWAY ACROSS SAID ORIFICE AT A VELOCITY OF ABOUT 200 TO 1200 FEET PER
Claim 2
Dependent Claim
127 words
A PROCESS OF CONVERTING HEAVY RESIDUAL HYDROCARBON OIL WHICH COMPRISES PREHEATING SAID OIL TO A TEMPERATURE BETWEEN ABOUT 300*F. AND 700*F., SUPPLYING SAID PREHEATED OIL TO A CONFINED PASSAGEWAY SURROUNDED BY A SEPARATE PASSAGEWAY IN ANNULAR RELATIONSHIP TO SAID FIRST CONFINED PASSAGEWAY, SAID CONFINED PASSAGEWAY HAVING AN ORIFICE NEAR ITS END, SAID SEPARATE PASSAGEWAY HAVING AN OUTLET OPENING BEYOND SAID ORIFICE, PASSING SAID PREHEATED OIL FROM SAID CONFINED PASSAGEWAY THROUGH SAID ORIFICE ARRANGED AT AN ANGLE BETWEEN ABOUT 75* AND 105* TO THE FLOW OF HOT GAS, TO BE REFERRED TO HEREINAFTER, AT A LINEAL RATE OF ABOUT 3 TO 30 FEET PER SECOND, FLOWING A JET OF HOT GAS THROUGH SAID SEPARATE PASSAGEWAY ACROSS SAID ORIFICE AT A VELOCITY OF ABOUT 200 TO 1200 FEET PER
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |