Patent US2853433A successfully refreshed from Google Patents.
US2853433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy oil conversion to gasoline
Assignee: Hydrocarbon Research Inc
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Filing: 1952-07-16
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Granted: 1958-09-23
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Expires: 1972-07-16
Abstract
No abstract record available.
Inventors
- 👤 Percival C Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:26
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/12; C10G47/00; C10G47/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE PROCESS OF PRODUCING FINISHED GASOLINE OF HIGH QUALITY FROM A HEAVY HYDROCARBON OIL WHICH COMPRISES TREATING SAID OIL AT AN ELEVATED TEMPERATURE IN A REACTION ZONE IN THE PRESENCE OF A HEATED PARTICULATE CONTACT MATERIAL AND IN AN ATMOSPHERE OF STEAM AND REGENERATION PRODUCT GASES, INCLUDING HYDROGEN RESULTING FROM THE REGENERATION WITH STEAM AND OXYGEN, IN A REGENERATION ZONE MAINTAINED AT A TEMPERATURE OF AT LEAST 1600*F., OF THE CARBONACEOUS DEPOSIT FORMED ON SAID CONTACT MATERIAL DURING CONVERSION OF SAID OIL IN SAID REACTION ZONE, REMOVING HYDROCARBON VAPORS AND REGENERATION PRODUCT GASES AS EFFLUENT A HYDROCARBON FRACTION BOILING ABOVE THE SAID EFFLUENT A HYDROCARBON FRACTION BOILING ABOVE THE GASOLINE RANGE, TRANSFERRING SUBSTANTIALLY ALL OF THE NORMALLY LIQUID PORTION OF SAID EFFLUENT COMPRISING SUBSTANTIALLY ONLY HYDROCARBONS BOILING IN THE GASOLINE RANGE TO-
Claim 2
Dependent Claim
132 words
THE PROCESS OF PRODUCING FINISHED GASOLINE OF HIGH QUALITY FROM A HEAVY HYDROCARBON OIL WHICH COMPRISES TREATING SAID OIL AT AN ELEVATED TEMPERATURE IN A REACTION ZONE IN THE PRESENCE OF A HEATED PARTICULATE CONTACT MATERIAL AND IN AN ATMOSPHERE OF STEAM AND REGENERATION PRODUCT GASES, INCLUDING HYDROGEN RESULTING FROM THE REGENERATION WITH STEAM AND OXYGEN, IN A REGENERATION ZONE MAINTAINED AT A TEMPERATURE OF AT LEAST 1600*F., OF THE CARBONACEOUS DEPOSIT FORMED ON SAID CONTACT MATERIAL DURING CONVERSION OF SAID OIL IN SAID REACTION ZONE, REMOVING HYDROCARBON VAPORS AND REGENERATION PRODUCT GASES AS EFFLUENT A HYDROCARBON FRACTION BOILING ABOVE THE SAID EFFLUENT A HYDROCARBON FRACTION BOILING ABOVE THE GASOLINE RANGE, TRANSFERRING SUBSTANTIALLY ALL OF THE NORMALLY LIQUID PORTION OF SAID EFFLUENT COMPRISING SUBSTANTIALLY ONLY HYDROCARBONS BOILING IN THE GASOLINE RANGE TO-
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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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |