US2733192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of heavy hydrocarbonaceous materials
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:45
CPC Classifications
C; C10; C10G; C10G9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE PROCESS OF CONVERTING HEAVY HYDROCARBON OILS INTO DISTILLATE OILS AND TAR, WHICH COMPRISES DISTILLING FROM SAID OILS THE CONSTITUENTS BOILING BELOW 650* F. TO PRODUCE RESIDUAL OILS, STRIPPING SAID RESIDUAL OILS SO PRODUCED IN A STRIPPING ZONE WITH STREAM AT A TEMPERATURE OF ABOUT 220* TO 750* F. WITH ABOUT 0.5-2.0 LBS. OF STREAM PER GALLON OF RESIDUAL OIL SO AS TO REMOVE FREE OXYGEN SUBSTANTIALLY COMPLETELY FROM SAID RESIDUAL OILS, RECOVERING OVERHEAD FROM SAID STRIPPING ZONE STREAM, OXYGEN AND A MINOR AMOUNT OF OILS DISTILLED DURING THE STRIPPING, IMMEDIATELY
Claim 2
Dependent Claim
91 words
THE PROCESS OF CONVERTING HEAVY HYDROCARBON OILS INTO DISTILLATE OILS AND TAR, WHICH COMPRISES DISTILLING FROM SAID OILS THE CONSTITUENTS BOILING BELOW 650* F. TO PRODUCE RESIDUAL OILS, STRIPPING SAID RESIDUAL OILS SO PRODUCED IN A STRIPPING ZONE WITH STREAM AT A TEMPERATURE OF ABOUT 220* TO 750* F. WITH ABOUT 0.5-2.0 LBS. OF STREAM PER GALLON OF RESIDUAL OIL SO AS TO REMOVE FREE OXYGEN SUBSTANTIALLY COMPLETELY FROM SAID RESIDUAL OILS, RECOVERING OVERHEAD FROM SAID STRIPPING ZONE STREAM, OXYGEN AND A MINOR AMOUNT OF OILS DISTILLED DURING THE STRIPPING, IMMEDIATELY
References Cited (Backward Citations)
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Cited
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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) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |