US3281490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst and isomerisation process using said catalysts
Assignee: BP PLC
•
Filing: 1963-02-20
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Granted: 1966-10-25
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Goble Anthony George
- 👤 Nicholls John Francis Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:16
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/271; C07C5/2718; C07C5/2721; B; B01; B01J; B01J27/00; B01J27/06; C07C5/2206; C07C5/2226; C07C5/2246; C07C5/2253; C07C5/23; C07C5/25; C07C5/2506; C07C5/2525; C07C5/2543; C07C5/255; C07C2521/00; C07C2521/06; C07C2521/08; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/125; C07C2527/126; C07C2527/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF ISOMERISING THE DOUBLE BOND OF AN ISOMERISABLE OLEFINIC HYDROCARBON CONTAINING UP TO 6 CARBON ATOMS PER MOLECULE COMPRISING CONTACTING A CATALYST WITH A VAPOR CONSISTING OF THE SAID ISOMERISABLE OLEFINIC HYDROCARBON ALONE OR IN ADMIXTURE WITH ONE OR MORE ISOMERISABLE OLEFINIC HYRICARBONS CONTAINING UP TO 6 CARBON ATOMS PER MOLECULE, THE CATALYST CONSISTING ESSENTIALLY OF A FIRST METAL HALIDE WHICH IS A FRIEDELCRAFTS CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM BROMIDE, FERRIC CHLORIDE AND STANNIC CHLORIDE AND A SECOND METAL HALIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHLORIDES AND BROMIDES, CARRIED ON A CATALYST SUPPORT, THE REACTION CONDITIONS BEING SUFFICIENT TO PROMOTE DOUBLE BOND ISOMERIZATION.
Claim 2
Independent Claim
113 words
A METHOD OF ISOMERISING THE DOUBLE BOND OF AN ISOMERISABLE OLEFINIC HYDROCARBON CONTAINING UP TO 6 CARBON ATOMS PER MOLECULE COMPRISING CONTACTING A CATALYST WITH A VAPOR CONSISTING OF THE SAID ISOMERISABLE OLEFINIC HYDROCARBON ALONE OR IN ADMIXTURE WITH ONE OR MORE ISOMERISABLE OLEFINIC HYRICARBONS CONTAINING UP TO 6 CARBON ATOMS PER MOLECULE, THE CATALYST CONSISTING ESSENTIALLY OF A FIRST METAL HALIDE WHICH IS A FRIEDELCRAFTS CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM BROMIDE, FERRIC CHLORIDE AND STANNIC CHLORIDE AND A SECOND METAL HALIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHLORIDES AND BROMIDES, CARRIED ON A CATALYST SUPPORT, THE REACTION CONDITIONS BEING SUFFICIENT TO PROMOTE DOUBLE BOND ISOMERIZATION.
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |