US2816150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated cracking-alkylation process
Assignee: Phillips Petroleum Co
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Filing: 1953-12-14
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Granted: 1957-12-10
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Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Harold J Hepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:33
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN INTEGRATED CRACKING-ALKYLATION PROCESS COMPRISES ING PASSING ISOBUTANE INTO A CRACKING ZONE MAINTAINED AT A TEMPERATURE WITHIN THE RANGE OF 1200-1350*F., UNDER A PRESSURE IN THE RANGE OF 150-300 P.S.I.G., FOR A PERIOD OF TIME WITHIN THE RANGE OF 0.2 TO 12 SECONDS SO AS TO MAINTAIN A PER-PASS CONVERSION OF ISOBUTANE WITHIN THE RANGE OF 25-55 MOL PERCENT AND THEREBY PROVIDING A TOTAL CRACKING EFFLUENT CONTAINING ISOBUTANE IN A MOL RATIO TO PROPYLENE PLUS BUTYLENE SUITABLE FOR CHANGING AS THE SOLE FEED TO AN ALKYLATION ZONE; PASSING TOTAL EFFULENT FROM SAID CRACKING ZONE UNDER SUBSTANTIALLY CRACKING PRESSURE INTO A SEPARATION ZONE AND THEREIN SEPARATING UNDER SAID PRESSURE, ETHANE AND LIGHTER MATERIALS, FROM SAID EFFLUENT; PASSING RESULTING DE-ETHANIZED EFFLUENT FROM SAID SEPARATION ZONE AS SOLE FEED TO AN ALKYLATION ZONE AND THEREIN REACTING SAME UNDER ALKYLATING CONDITIONS TO PRODUCE NORMALLY LIQUID HYDROCARBONS BOILING IN THE GASOLINE RANGE, AND RECOVERING NORMALLY LIQUID HYDROCARBONS SO PRODUCED AS PRODUCT OF THE PROCESS.
Claim 2
Dependent Claim
159 words
AN INTEGRATED CRACKING-ALKYLATION PROCESS COMPRISES ING PASSING ISOBUTANE INTO A CRACKING ZONE MAINTAINED AT A TEMPERATURE WITHIN THE RANGE OF 1200-1350*F., UNDER A PRESSURE IN THE RANGE OF 150-300 P.S.I.G., FOR A PERIOD OF TIME WITHIN THE RANGE OF 0.2 TO 12 SECONDS SO AS TO MAINTAIN A PER-PASS CONVERSION OF ISOBUTANE WITHIN THE RANGE OF 25-55 MOL PERCENT AND THEREBY PROVIDING A TOTAL CRACKING EFFLUENT CONTAINING ISOBUTANE IN A MOL RATIO TO PROPYLENE PLUS BUTYLENE SUITABLE FOR CHANGING AS THE SOLE FEED TO AN ALKYLATION ZONE; PASSING TOTAL EFFULENT FROM SAID CRACKING ZONE UNDER SUBSTANTIALLY CRACKING PRESSURE INTO A SEPARATION ZONE AND THEREIN SEPARATING UNDER SAID PRESSURE, ETHANE AND LIGHTER MATERIALS, FROM SAID EFFLUENT; PASSING RESULTING DE-ETHANIZED EFFLUENT FROM SAID SEPARATION ZONE AS SOLE FEED TO AN ALKYLATION ZONE AND THEREIN REACTING SAME UNDER ALKYLATING CONDITIONS TO PRODUCE NORMALLY LIQUID HYDROCARBONS BOILING IN THE GASOLINE RANGE, AND RECOVERING NORMALLY LIQUID HYDROCARBONS SO PRODUCED AS PRODUCT OF THE PROCESS.
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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |