US3363016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of cyclooctadiene compounds
Assignee: Phillips Petroleum Co
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Filing: 1964-05-25
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Granted: 1968-01-09
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Paul R Stapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:52
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/44; C07C5/00; C07C5/22; C07C5/27; C07C5/31; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR ISOMERIZING A CYCLOOCTADIENE TO A CIS$2-BICYCLO-3,3,0-OCTENE CONTAINING THE SAME NUMBER OF CARBON ATOMS AND HYDROGEN ATOMS AS SAID STARTING CYCLOOCTADIENE, WHICH PROCESS COMPRISES: CONTAINING SAID CYCLOOCTADIENE UNDER ISOMERIZING CONDITIONS IN AN ISOMERIZATION ZONE WITH AN ISOMERIZATION CATALYST SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL POTASSIUM, ELEMENTAL RUBIDIUM, ELEMENTAL CESIUM, AND COMPOUNDS CHARACTERIZED BY THE FORMULA
Claim 2
Dependent Claim
58 words
A PROCESS FOR ISOMERIZING A CYCLOOCTADIENE TO A CIS$2-BICYCLO-3,3,0-OCTENE CONTAINING THE SAME NUMBER OF CARBON ATOMS AND HYDROGEN ATOMS AS SAID STARTING CYCLOOCTADIENE, WHICH PROCESS COMPRISES: CONTAINING SAID CYCLOOCTADIENE UNDER ISOMERIZING CONDITIONS IN AN ISOMERIZATION ZONE WITH AN ISOMERIZATION CATALYST SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL POTASSIUM, ELEMENTAL RUBIDIUM, ELEMENTAL CESIUM, AND COMPOUNDS CHARACTERIZED BY THE FORMULA
References Cited (Backward Citations)
US3124621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |