US2965689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isoparaffin alkylation process
Assignee: Standard Oil Co
•
Filing: 1958-09-29
•
Granted: 1960-12-20
•
Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Alan K Roebuck
- 👤 Bernard L Evering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:52
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C07C9/16; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/04; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
140 words
A PROCESS FOR PRODUCING AN ISOPARAFFIN-OLEFIN ALKYLATE WHICH COMPRISES CONTACTING A TERMINAL OLEFIN HAVING FROM 4 TO 8 CARBON ATOMS WITH A SUPPORTED ALKALI METAL CATALYST IN AN ISOMERIZATION ZONE UNDER CONDITIONS FOR ISOMERIZING TERMINAL OLEFINS TO INTERNAL OLEFINS COMPRISING THE USE OF TEMPERATURES BELOW ABOUT 100*F., SAID SUPPORTED ALKALI METAL CATALYST BEING PREPARED BY A PROCESS COMPRISING INTIMATELY MIXING MOLTEN ALKALI METAL WITH A SUPPORTING MATERIAL OF HIGH SURFACE AREA, REMOVING ISOMERIZED OLEFINS FROM THE ISOMERIZATION ZONE, CONTACTING AN ISOPARAFFIN WITH THE ISOMERIZED OLEFINS IN AN ALKYLATION ZONE UNDER ALKYLATION REACTION CONDITIONS WHILE USING AN ALUMINIUM CHLORIDE-ETHER CATALYST CONTAINING IN EXCESS OF ONE MOL OF ALUMINUM CHLORIDE PER MOL OF A LOW MOLECULAR WEIGHT ETHER HAVING NO MORE THAN ABOUT 4 CARBON ATOMS PER MOLECULE, REMOVING ALKYLATION REACTION PRODUCTS FROM THE ALKYLATION ZONE AND RECOVERING AN ISOPARAFFIN-OLEFIN ALKYLATE THEREFROM.
Claim 2
Dependent Claim
140 words
A PROCESS FOR PRODUCING AN ISOPARAFFIN-OLEFIN ALKYLATE WHICH COMPRISES CONTACTING A TERMINAL OLEFIN HAVING FROM 4 TO 8 CARBON ATOMS WITH A SUPPORTED ALKALI METAL CATALYST IN AN ISOMERIZATION ZONE UNDER CONDITIONS FOR ISOMERIZING TERMINAL OLEFINS TO INTERNAL OLEFINS COMPRISING THE USE OF TEMPERATURES BELOW ABOUT 100*F., SAID SUPPORTED ALKALI METAL CATALYST BEING PREPARED BY A PROCESS COMPRISING INTIMATELY MIXING MOLTEN ALKALI METAL WITH A SUPPORTING MATERIAL OF HIGH SURFACE AREA, REMOVING ISOMERIZED OLEFINS FROM THE ISOMERIZATION ZONE, CONTACTING AN ISOPARAFFIN WITH THE ISOMERIZED OLEFINS IN AN ALKYLATION ZONE UNDER ALKYLATION REACTION CONDITIONS WHILE USING AN ALUMINIUM CHLORIDE-ETHER CATALYST CONTAINING IN EXCESS OF ONE MOL OF ALUMINUM CHLORIDE PER MOL OF A LOW MOLECULAR WEIGHT ETHER HAVING NO MORE THAN ABOUT 4 CARBON ATOMS PER MOLECULE, REMOVING ALKYLATION REACTION PRODUCTS FROM THE ALKYLATION ZONE AND RECOVERING AN ISOPARAFFIN-OLEFIN ALKYLATE THEREFROM.
Claim 3
Dependent Claim
57 words
AN OLEFIN ISOMERIZATION PROCESS WHICH COMPRISES CONTACTING AN ISOMERIZABLE MONOOLEFINC HYDROCARBON WITH SUPPORTED ALKALI METAL, SAID SUPPORTED ALKALI METAL BEING PREPARED BY INTIMATELY MIXING MOLTEN ALKALI METAL WITH A SUPPORTING MATERIAL OF HIGH SURFACE AREA, SAID CONTACTING OF THE MONOOLEFINIC HYDROCARBON AND SUPPORTED ALKALI METAL BEING CARRIED OUT UNDER ISOMERIZING CONDITIONS COMPRISING A TEMPERATURE BELOW ABOUT 100*F.
Claim 4
Dependent Claim
57 words
AN OLEFIN ISOMERIZATION PROCESS WHICH COMPRISES CONTACTING AN ISOMERIZABLE MONOOLEFINC HYDROCARBON WITH SUPPORTED ALKALI METAL, SAID SUPPORTED ALKALI METAL BEING PREPARED BY INTIMATELY MIXING MOLTEN ALKALI METAL WITH A SUPPORTING MATERIAL OF HIGH SURFACE AREA, SAID CONTACTING OF THE MONOOLEFINIC HYDROCARBON AND SUPPORTED ALKALI METAL BEING CARRIED OUT UNDER ISOMERIZING CONDITIONS COMPRISING A TEMPERATURE BELOW ABOUT 100*F.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |