US2848379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of high boiling catalytically cracked products with activated carbon
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-07-16
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Granted: 1958-08-19
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Expires: 1973-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jr John Rehner
- 👤 Lawrence T Eby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:59
CPC Classifications
C; C10; C10G; C10G55/00; C10G55/02; C10G55/06; C10G11/00; C10G25/00; C10G25/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A CATALYST CRACKING PROCESS COMPRISING THE STEPS OF CATALYTICALLY CRACKING A PETROLUM FEED STOCK TO FORM A CRACKED PRODUCT, SEGREGATING A FRACTION BOILING TO FORM ABOUT 700*F. FROM SAID PRODUCT, PASSING SAID FRACTION TO A TREATING ZONE, CONTACTING SAID FRACTION IN LIQUID FORM WITH FROM ABOUT 2% TO ABOUT 20% BY WEIGHT OF ACTIVATED CARBON TO FORM A TREATED LIQUID PHASE FROM WHICH CARCINOGENIC COMPOUNDS HAVE BEEN REMOVED, AND SEPERATING SAID TREATED PHASE FROM SAID ACTIVATED CARBON.
Claim 2
Dependent Claim
77 words
A CATALYST CRACKING PROCESS COMPRISING THE STEPS OF CATALYTICALLY CRACKING A PETROLUM FEED STOCK TO FORM A CRACKED PRODUCT, SEGREGATING A FRACTION BOILING TO FORM ABOUT 700*F. FROM SAID PRODUCT, PASSING SAID FRACTION TO A TREATING ZONE, CONTACTING SAID FRACTION IN LIQUID FORM WITH FROM ABOUT 2% TO ABOUT 20% BY WEIGHT OF ACTIVATED CARBON TO FORM A TREATED LIQUID PHASE FROM WHICH CARCINOGENIC COMPOUNDS HAVE BEEN REMOVED, AND SEPERATING SAID TREATED PHASE FROM SAID ACTIVATED CARBON.
References Cited (Backward Citations)
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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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |