US3292345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting coke oven ammonia and hydrogen sulfide
Assignee: Individual
•
Filing: 1963-06-25
•
Granted: 1966-12-20
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Wunderlich Gunther
- 👤 Weber Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:57
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/48; C01B17/50; C01B17/508; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/101; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR THE CONVERSION OF AMMONIA AND HYDROGEN SULFIDE CONTAINED IN COKE OVEN GASES TO SUBSTANTIALLY AVOID AIR POLLUTION COMPRISING SCRUBBING SAID COKE OVEN GASES WITH WATER TO OBTAIN WATER ENRICHED WITH AMMONIA AND HYDROGEN SULFIDE, DESORBING THE ENRICHED WATER WITH STEAM TO OBTAIN VAPORS ENRICHED WITH AMMONIA AND HYDROGEN SULFIDE, BURNING WITH AIR THE AMMONIA AND HYDROGEN SULFIDE ENRICHED VAPORS TO PRODUCED COMBUSTION GASES AND PRECOOLING THE COMBUSTION GASES IN A WASTE HEAT VESSEL TO PRODUCE STEAM, PASSING PRECOOLED COMBUSTION GASES TO A DIRECT COOLER WHEREIN THE GASES ARE CONTACTED WITH WATER AND STEAM IS SEPARATED FROM THE CONRACTED WATER.
Claim 2
Dependent Claim
102 words
A PROCESS FOR THE CONVERSION OF AMMONIA AND HYDROGEN SULFIDE CONTAINED IN COKE OVEN GASES TO SUBSTANTIALLY AVOID AIR POLLUTION COMPRISING SCRUBBING SAID COKE OVEN GASES WITH WATER TO OBTAIN WATER ENRICHED WITH AMMONIA AND HYDROGEN SULFIDE, DESORBING THE ENRICHED WATER WITH STEAM TO OBTAIN VAPORS ENRICHED WITH AMMONIA AND HYDROGEN SULFIDE, BURNING WITH AIR THE AMMONIA AND HYDROGEN SULFIDE ENRICHED VAPORS TO PRODUCED COMBUSTION GASES AND PRECOOLING THE COMBUSTION GASES IN A WASTE HEAT VESSEL TO PRODUCE STEAM, PASSING PRECOOLED COMBUSTION GASES TO A DIRECT COOLER WHEREIN THE GASES ARE CONTACTED WITH WATER AND STEAM IS SEPARATED FROM THE CONRACTED WATER.
References Cited (Backward Citations)
US2756841A
Cited
US2720280A
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US2750331A
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US3104959A
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US3020138A
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US3106192A
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |