Patent US2809153A successfully refreshed from Google Patents.
US2809153A
Expired / Lapsed
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Process for producing low-sediment fuel
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1952-07-14
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Granted: 1957-10-08
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Expires: 1972-07-14
Abstract
No abstract record available.
Inventors
- 👤 George J Bacsik
- 👤 Wilfred O Taff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
PROCESS FOR THE PRODUCTION OF A HIGH QUALITY STABLE FUEL OIL FROM A RESIDUAL OIL WHICH COMPRISES VISBREAKING SAID RESIDUAL OIL AT A TEMPERATURE IN THE RANGE BETWEEN ABOUT 900*F. TO 1050*F. AT A PRESSURE IN THE RANGE FROM ABOUT 200 TO 1000 LBS. PER SQ. IN. GUAGE, SEPARATING FROM THE VISBROKEN PRODUCT HYDROCARBON CONSTITUENTS BOILING IN THE FUEL OIL BOILING RANGE, THEREAFTER OXIDIZING SAID FUEL OIL FRACTION AT A TEMPERATURE IN THE RANGE BETWEEN 200 AND 750*F. AND THEREAFTER SEPARATING DISPERSED SOLID PARTICLES FROM SAID OXIDIZED OIL.
Claim 2
Dependent Claim
88 words
PROCESS FOR THE PRODUCTION OF A HIGH QUALITY STABLE FUEL OIL FROM A RESIDUAL OIL WHICH COMPRISES VISBREAKING SAID RESIDUAL OIL AT A TEMPERATURE IN THE RANGE BETWEEN ABOUT 900*F. TO 1050*F. AT A PRESSURE IN THE RANGE FROM ABOUT 200 TO 1000 LBS. PER SQ. IN. GUAGE, SEPARATING FROM THE VISBROKEN PRODUCT HYDROCARBON CONSTITUENTS BOILING IN THE FUEL OIL BOILING RANGE, THEREAFTER OXIDIZING SAID FUEL OIL FRACTION AT A TEMPERATURE IN THE RANGE BETWEEN 200 AND 750*F. AND THEREAFTER SEPARATING DISPERSED SOLID PARTICLES FROM SAID OXIDIZED OIL.
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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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |