Patent US2824160A successfully refreshed from Google Patents.
US2824160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process
Assignee: American Oil Co
•
Filing: 1956-06-13
•
Granted: 1958-02-18
•
Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 Harmon M Knight
- 👤 Joe T Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:51
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C2/64; C07C2/66; C07C2/68; C07C2521/00; C07C2521/02; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/30; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN ALKYLATION PROCESS COMPRISING CONTACTING (A) AN ALKYLATABLE FEED HYDROCARBON FROM THE CLASS CONSISTING OF (1) ISOPARAFFIN HAVING FRON 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 MEYAL TUNGSTATE SALT CONTAINING WATER OF HYDRATION, THE METAL ION OF SAID SALT BEING FROM THE CLASS CONSISTING OF ALUUMINUM, COBALTOUS, AND NICKELOUS, 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 SUBSTANNTIALLY BELOW THE TEMPERATURE AT WHICH SAID HYDRATE SALT DECOMPOSES, AND AT A PRESSURE SUFFICIENT TO MAINTAIN A SUBSTANTIAL PORTION OF SAID REACTANTS IN A LIQUID STATE, AND SUBSTANTIAL PORTION OF CARBON PRODUCT MIXTURE CONTAINING ALKYLATE PRODUCT OF SAID FEED HYDROCARBON AND SAID OLEFIN.
Claim 2
Dependent Claim
150 words
AN ALKYLATION PROCESS COMPRISING CONTACTING (A) AN ALKYLATABLE FEED HYDROCARBON FROM THE CLASS CONSISTING OF (1) ISOPARAFFIN HAVING FRON 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 MEYAL TUNGSTATE SALT CONTAINING WATER OF HYDRATION, THE METAL ION OF SAID SALT BEING FROM THE CLASS CONSISTING OF ALUUMINUM, COBALTOUS, AND NICKELOUS, 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 SUBSTANNTIALLY BELOW THE TEMPERATURE AT WHICH SAID HYDRATE SALT DECOMPOSES, AND AT A PRESSURE SUFFICIENT TO MAINTAIN A SUBSTANTIAL PORTION OF SAID REACTANTS IN A LIQUID STATE, AND SUBSTANTIAL PORTION OF CARBON PRODUCT MIXTURE CONTAINING ALKYLATE PRODUCT OF SAID FEED HYDROCARBON AND SAID OLEFIN.
References Cited (Backward Citations)
US2376119A
Cited
US2656322A
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 |