US3342724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light oil contact of thermal cracking effluent
Assignee: Phillips Petroleum Co
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Filing: 1965-08-03
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Granted: 1967-09-19
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Gordon D Goering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:21
CPC Classifications
B; B01; B01D; B01D51/00; B01D51/10; C; C07; C07C; C07C4/00; C07C4/02; C07C4/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF COOLING AND REMOVING HEAVY OIL FROM AN EFFLUENT RESULTING FROM THE THERMAL CRACKING OF A HYDROCARBON FEED STOCK COMPRISING; (A) CONTACTING THE EFFLUENT WITH WATER AND STEAM TO REDUCE THE TEMPERATURE THEREOF TO DISCONTINUE CRACKING; (B) REMOVING ANY SOLIDS FROM THE EFFLUENT; (C) CONTACTING THE EFFLUENT WITH A PLURALITY OF WATER STREAMS, EACH STREAM BEING COOLER THAN THE PRECEDING STREAM TO COOL THE EFFLUENT IN A STEP-WISE MANNER; AND
Claim 2
Independent Claim
72 words
THE METHOD OF COOLING AND REMOVING HEAVY OIL FROM AN EFFLUENT RESULTING FROM THE THERMAL CRACKING OF A HYDROCARBON FEED STOCK COMPRISING; (A) CONTACTING THE EFFLUENT WITH WATER AND STEAM TO REDUCE THE TEMPERATURE THEREOF TO DISCONTINUE CRACKING; (B) REMOVING ANY SOLIDS FROM THE EFFLUENT; (C) CONTACTING THE EFFLUENT WITH A PLURALITY OF WATER STREAMS, EACH STREAM BEING COOLER THAN THE PRECEDING STREAM TO COOL THE EFFLUENT IN A STEP-WISE MANNER; AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |