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US3258501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of polycyclic compounds
Assignee: Shell USA Inc
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Filing: 1964-03-30
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Granted: 1966-06-28
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Cannell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:06
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/54; C07C13/605; C07C2/00; C07C2/02; C07C2/42; C07C2531/00; C07C2531/16; C07C2531/22; C07C2603/00; C07C2603/56; C07C2603/58; C07C2603/60; C07C2603/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
THE PROCESS FOR THE PRODUCTION OF MONO-TO DI-ETHYLENICALLY UNSATURATED TRICYCLO (4.2.1.0**2.5) NONANES BY REACTING BICYCLO (29291) HEPTANE HAVING FROM 1 TO 2 ENDO ETHYLENIC LINKAGES CONNECTING NON-BRIDGEHEAD CARBON ATOMS AND HAVING AS THE ONLY NON-HYDROGEN RING SUBSTITUENTS FROM 0 TO 6 HYDROCARBYL SUBSTITUENTS INDEPENDENTLY HAVING FROM 1 TO 10 CARBON ATOMS, SAID HYDROCARBYLS HAVING ONLY AROMATIC UNSATURATION, WITH ACETYLENIC HYDROCARBON HAVING A SINGLE CARBON-CARBON TRIPLE BOND, THE ONLY NON-HYDROGEN SUBSTITUENTS ON WHICH ARE HYDROCARBYL HAVING FROM 1 TO 10 CARBON ATOMS AND HAVING ONLY AROMATIC UNSATURATION, AT A TEMPERATURE FROM ABOUT 30* C. TO ABOUT 250*C. AND A PRESSURE FROM ABOUT 1 ATMOSPHERE TO ABOUT 100 ATMOSPHERES, IN THE PRESENCE OF A CATALYTIC AMOUNT, SAID AMOUNT BEING FROM ABOUT 0.01% MOLE TO ABOUT 1% MOLE BASED ON THE LIMITING REACTANT, OF TETRAKIS (TRIHYDROCARBYLPHOSPHITE) NICKEN (0).
Claim 2
Dependent Claim
135 words
THE PROCESS FOR THE PRODUCTION OF MONO-TO DI-ETHYLENICALLY UNSATURATED TRICYCLO (4.2.1.0**2.5) NONANES BY REACTING BICYCLO (29291) HEPTANE HAVING FROM 1 TO 2 ENDO ETHYLENIC LINKAGES CONNECTING NON-BRIDGEHEAD CARBON ATOMS AND HAVING AS THE ONLY NON-HYDROGEN RING SUBSTITUENTS FROM 0 TO 6 HYDROCARBYL SUBSTITUENTS INDEPENDENTLY HAVING FROM 1 TO 10 CARBON ATOMS, SAID HYDROCARBYLS HAVING ONLY AROMATIC UNSATURATION, WITH ACETYLENIC HYDROCARBON HAVING A SINGLE CARBON-CARBON TRIPLE BOND, THE ONLY NON-HYDROGEN SUBSTITUENTS ON WHICH ARE HYDROCARBYL HAVING FROM 1 TO 10 CARBON ATOMS AND HAVING ONLY AROMATIC UNSATURATION, AT A TEMPERATURE FROM ABOUT 30* C. TO ABOUT 250*C. AND A PRESSURE FROM ABOUT 1 ATMOSPHERE TO ABOUT 100 ATMOSPHERES, IN THE PRESENCE OF A CATALYTIC AMOUNT, SAID AMOUNT BEING FROM ABOUT 0.01% MOLE TO ABOUT 1% MOLE BASED ON THE LIMITING REACTANT, OF TETRAKIS (TRIHYDROCARBYLPHOSPHITE) NICKEN (0).
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |