US2824156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process
Assignee: American Oil Co
•
Filing: 1956-05-22
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Granted: 1958-02-18
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Expires: 1976-05-22
Abstract
No abstract record available.
Inventors
- 👤 Joe T Kelly
- 👤 Harmon M Knight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:05
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C2/64; C07C2/66; C07C2/68; C07C2523/00; C07C2523/16; C07C2523/18; C07C2523/70; C07C2523/74; C07C2523/75; C07C2523/76; C07C2523/84; C07C2523/843; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
AN ALKYLATION PROCESS COMPRISING CONTACTING (A) AN ALKYLATABLE FEED HYDROCARBON FROM THE CLASS CONSISTING OF (1) ISOPARAFFIN HAVING FROM 4 TO 8 CARBON ATOMS AND (2) AROMATIC HYDROCARBON AND (B) AN OLEFIN HAVING FROM 2 TO 12 CARBON ATOMS, IN THE PRESENCE OF A CATALYST COMPRISING ESSENTIALLY (I) A METAL ARSENATE SALT CONTAINING WATER OF HYDRATION, THE METAL ION OF SAID SALT BEING FROM THE CLASS CONSISTING OF COBALTOUS AND MAGNESIUM, AND (II) BF3, SAID BF3 BEING PRESENT IN AN AMOUNT IN EXCESS OF ABOUT 1 MOLE PER MOLE OF WATER OF HYDRATION IN SAID SALT, AT A TEMPERATURE BETWEEN ABOUT -30* C. AND A TEMPERATURE SUBSTANTIALLY BELOW THE TEMPERATURE AT WHICH SAID HYDRATE SALT DECOMPOSES, AND AT A PRESSURE SUFFICIENT TO MAINTAIN A SUBSTANTIAL PORTION OF SAID REACTANTS IN THE LIQUID STATE, AND SEPARATING A HYDROCARBON PRODUCT MIXTURE CONTAINING ALKYLATE PRODUCT OF SAID FEED HYDROCARBON AND SAID OLEFIN.
Claim 2
Dependent Claim
149 words
AN ALKYLATION PROCESS COMPRISING CONTACTING (A) AN ALKYLATABLE FEED HYDROCARBON FROM THE CLASS CONSISTING OF (1) ISOPARAFFIN HAVING FROM 4 TO 8 CARBON ATOMS AND (2) AROMATIC HYDROCARBON AND (B) AN OLEFIN HAVING FROM 2 TO 12 CARBON ATOMS, IN THE PRESENCE OF A CATALYST COMPRISING ESSENTIALLY (I) A METAL ARSENATE SALT CONTAINING WATER OF HYDRATION, THE METAL ION OF SAID SALT BEING FROM THE CLASS CONSISTING OF COBALTOUS AND MAGNESIUM, AND (II) BF3, SAID BF3 BEING PRESENT IN AN AMOUNT IN EXCESS OF ABOUT 1 MOLE PER MOLE OF WATER OF HYDRATION IN SAID SALT, AT A TEMPERATURE BETWEEN ABOUT -30* C. AND A TEMPERATURE SUBSTANTIALLY BELOW THE TEMPERATURE AT WHICH SAID HYDRATE SALT DECOMPOSES, AND AT A PRESSURE SUFFICIENT TO MAINTAIN A SUBSTANTIAL PORTION OF SAID REACTANTS IN THE LIQUID STATE, AND SEPARATING A HYDROCARBON PRODUCT MIXTURE CONTAINING ALKYLATE PRODUCT OF SAID FEED HYDROCARBON AND SAID OLEFIN.
References Cited (Backward Citations)
GB327382A
Cited
US2376119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |