US2989459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroconversion of hydrocarbons with separation of products
Assignee: Texaco Inc
•
Filing: 1958-06-05
•
Granted: 1961-06-20
•
Expires: 1978-06-05
Abstract
No abstract record available.
Inventors
- 👤 Eastman Du Bois
- 👤 Warren G Schlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:35
CPC Classifications
C; C10; C10G; C10G47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A PROCESS FOR THE HYDROCONVERSION OF AN ASPHALT CONTAINING HYDROCARBON OIL WHICH COMPRISES FORMING AN INTIMATE MIXTURE OF SAID OIL WITH A HYDROGEN-CONTAINING GAS, PASSING SAID MIXTURE AS A CONFINED STREAM THROUGH AN ELONGATED REACTION ZONE AT A TURBULENCE LEVEL OF AT LEAST 25, AT A TEMPERATURE BETWEEN 800 AND 1500*F. AND A PRESSURE BETWEEN ABOUT 500 AND 20,000 P.S.I.G., SAID HYDROCONVERSION BEING ACCOMPANIED BY THE CONSUMPTION OF HYDROGEN, INTRODUCING THE HYDROCONVERSION EFFLUENT INTO A FIRST SEPARATION ZONE MAINTAINED AT SUBSTANTIALLY THE SAME TEMPERATURE AND PRESSURE AS THE REACTION ZONE, SEPARATING THE EFFLUENT IN SAID FIRST SEPARATION ZONE INTO A FIRST PORTION CONSISTING ESSENTIALLY OF GASEOUS MATERIAL AND A SECOND PORTION CONTAINING SUBSTANTIALLY ALL OF THE LIQUID HYDROCONVERSION PRODUCT PRESENT AND A MINOR AMOUNT OF GASEOUS MATERIAL INCLUDING HYDROGEN, QUENCHING SAID SECOND PORTION TO PRECIPITATE SOLID MATERIAL THEREFROM, PASSING SAID QUENCHED PORTION TOGETHER WITH THE PRECIPITATED SOLID MATERIAL TO A SECOND SEPARATION ZONE AND SEPARATING THE PRECIPITATED SOLID MATERIAL FROM THE LIQUID HYDROCONVERSION PRODUCT.
Claim 2
Dependent Claim
164 words
A PROCESS FOR THE HYDROCONVERSION OF AN ASPHALT CONTAINING HYDROCARBON OIL WHICH COMPRISES FORMING AN INTIMATE MIXTURE OF SAID OIL WITH A HYDROGEN-CONTAINING GAS, PASSING SAID MIXTURE AS A CONFINED STREAM THROUGH AN ELONGATED REACTION ZONE AT A TURBULENCE LEVEL OF AT LEAST 25, AT A TEMPERATURE BETWEEN 800 AND 1500*F. AND A PRESSURE BETWEEN ABOUT 500 AND 20,000 P.S.I.G., SAID HYDROCONVERSION BEING ACCOMPANIED BY THE CONSUMPTION OF HYDROGEN, INTRODUCING THE HYDROCONVERSION EFFLUENT INTO A FIRST SEPARATION ZONE MAINTAINED AT SUBSTANTIALLY THE SAME TEMPERATURE AND PRESSURE AS THE REACTION ZONE, SEPARATING THE EFFLUENT IN SAID FIRST SEPARATION ZONE INTO A FIRST PORTION CONSISTING ESSENTIALLY OF GASEOUS MATERIAL AND A SECOND PORTION CONTAINING SUBSTANTIALLY ALL OF THE LIQUID HYDROCONVERSION PRODUCT PRESENT AND A MINOR AMOUNT OF GASEOUS MATERIAL INCLUDING HYDROGEN, QUENCHING SAID SECOND PORTION TO PRECIPITATE SOLID MATERIAL THEREFROM, PASSING SAID QUENCHED PORTION TOGETHER WITH THE PRECIPITATED SOLID MATERIAL TO A SECOND SEPARATION ZONE AND SEPARATING THE PRECIPITATED SOLID MATERIAL FROM THE LIQUID HYDROCONVERSION PRODUCT.
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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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |