US2710663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing naphthalene from coke oven gas
Assignee: United States Steel Corp
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Filing: 1952-04-17
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Granted: 1955-06-14
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Expires: 1972-04-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Philip J Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:50
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C10K1/16; C10K1/18; C10K1/085
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
THE METHOD OF REMOVING NAPHTHALENE FROM COKE OVEN GAS COMPRISING PASSING THE COKE OVEN GAS THROUGH A NAPHTHALENE SCRUBBER AFTER THE GAS PASSES THROUGH THE PRIMARY COOLER, PASSING THE STRIPPED GAS THROUGH A SECOND COOLER TO A LIGHT OIL SCRUBBER, DELIVERING THE NAPHTHALENE AND WASH OIL FROM THE NAPHTHALENE SCRUBBER TO THE TOP OF A LIGHT OIL AND WASH OIL FROM THE LIGHT OIL LIVERING THE LIGHT OIL AND WASH OIL FROM THE LIGHT OIL SCRUBBER TO THE STILL AT A POINT INTERMEDIATE ITS HEIGHT, DELIVERING STEAM INTO THE BOTTOM OF THE STILL AND PASSING IT UP THROUGH THE NAPHTHALENE, LIGHT OIL AND WASH OIL TO REMOVE THE LIGHT OIL AND NAPHTHALENE, AND DELIVERING WASH OIL FROM THE STILL TO THE TOP OF SAID SCRUBBERS.
References Cited (Backward Citations)
US1457877A
Cited
US1924813A
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US1976802A
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US2608516A
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US2649403A
Cited
US2649404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |