US3194753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous coking process and apparatus
Assignee: Union Carbide Corp
•
Filing: 1963-01-29
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Granted: 1965-07-13
•
Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:47
CPC Classifications
C; C10; C10B; C10B55/00; C10B33/00; C10B33/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD FOR CONTINUOUSLY PRODUCING COKE FROM THERMALLY POLYMERIZABLE HYDROCARBON FRACTIONS WHICH COMPRISES INTRODUCING SAID HYDROCARBON FRACTIONS AT COKING TEMPERATURES INTO A SUBSTANTIALLY CYLINDRICAL VERTICAL COKING CHAMBER AND MAINTAINING AN ANNULAR LAYER OF PULVERIZED COKE AROUND THE INSIDE PERIPHERY OF SAID COKING CHAMBER SO AS TO SEPARATE THE POLYMERIZING HYDROCARBON
Claim 2
Independent Claim
50 words
THE METHOD FOR CONTINUOUSLY PRODUCING COKE FROM THERMALLY POLYMERIZABLE HYDROCARBON FRACTIONS WHICH COMPRISES INTRODUCING SAID HYDROCARBON FRACTIONS AT COKING TEMPERATURES INTO A SUBSTANTIALLY CYLINDRICAL VERTICAL COKING CHAMBER AND MAINTAINING AN ANNULAR LAYER OF PULVERIZED COKE AROUND THE INSIDE PERIPHERY OF SAID COKING CHAMBER SO AS TO SEPARATE THE POLYMERIZING HYDROCARBON
References Cited (Backward Citations)
US1864686A
Cited
US2114416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |