US3759676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated fluid coking gasification process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1971-01-22
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Granted: 1973-09-18
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Expires: 1991-01-22
Abstract
Abstract A HEAVY CARBONACEOUS MATERIAL SUCH AS PETROLEUM RESIDUUM IS CONVERTED TO DISTALLATE AND GAASEOUS PRODUCTS BY AN INTERGATED PROCESS CONSISTING OF COKING SAID HEAVY CARBONACEOUS MATERIAL IN A CONVENTIONAL FLUID COKING REACTOR, AND GASIFYING THE COKE PRODUCED IN AN IMPROVED THREE ZONE GASIFYING REACTOR.
Inventors
- 👤 G Lahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:12
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/08; C10B55/10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/482; C10J3/485; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933; C10J2300/0983; C10J2300/0993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |