US2772213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon oil conversion process by catalysis and hydrogen donor diluent non-catalytic cracking
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-06-11
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Granted: 1956-11-27
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Expires: 1974-06-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert G M Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:04
CPC Classifications
C; C10; C10G; C10G69/00; C10G65/00; C10G65/02; C10G65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR CONVERTING HYDROCARBON OILS WHICH COMPRISES CATALYTICALLY CRACKING HEAVY DISTILLATE OILS IN A CATALYTIC CRACKING ZONE UNDER CATALYTIC CRACKING CONDITIONS, SEPARATING FROM THE EFFLUENT THEREFROM A CYCLE STOCK, PARTIALLY HYDROGENATING SAID CYCLE STOCK IN A HYDROGENATION ZONE UNDER HYDROGENATION CONDITIONS TO OBTAIN A HYDROGEN DONOR DILUENT ADMIXING SAID HYDROGEN DONOR DILUENT WITH A RELATIVELY HIGH BOILING HEAVY OIL,
Claim 2
Dependent Claim
60 words
A PROCESS FOR CONVERTING HYDROCARBON OILS WHICH COMPRISES CATALYTICALLY CRACKING HEAVY DISTILLATE OILS IN A CATALYTIC CRACKING ZONE UNDER CATALYTIC CRACKING CONDITIONS, SEPARATING FROM THE EFFLUENT THEREFROM A CYCLE STOCK, PARTIALLY HYDROGENATING SAID CYCLE STOCK IN A HYDROGENATION ZONE UNDER HYDROGENATION CONDITIONS TO OBTAIN A HYDROGEN DONOR DILUENT ADMIXING SAID HYDROGEN DONOR DILUENT WITH A RELATIVELY HIGH BOILING HEAVY OIL,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |