Patent US3287427A successfully refreshed from Google Patents.
US3287427A
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Disproportionation of cyclic olefins
Assignee: Union Carbide Corp
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Filing: 1964-01-30
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Granted: 1966-11-22
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Karol
- 👤 Wayne L Carrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:34
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/50; C07C5/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS FOR THE DISPROPORTIONATION OF CYCLIC OLEFINS HAVING 6 CARBON ATOMS IN THE RING AND UNSUBSTITUTED SITES AVAILABLE ON SAID RING FOR HYDROGEN TRANSFER WHICH CONSISTS ESSENTIALLY OF CONTACTING SAID CYCLIC OLEFIN WITH LESS THAN A STOICHIOMETRIC AMOUNT OF A HALIDE OF A PLATINUM METAL AND THEN RECOVERING THE DISPROPORTIONATION PRODUCTS.
Claim 2
Dependent Claim
52 words
A PROCESS FOR THE DISPROPORTIONATION OF CYCLIC OLEFINS HAVING 6 CARBON ATOMS IN THE RING AND UNSUBSTITUTED SITES AVAILABLE ON SAID RING FOR HYDROGEN TRANSFER WHICH CONSISTS ESSENTIALLY OF CONTACTING SAID CYCLIC OLEFIN WITH LESS THAN A STOICHIOMETRIC AMOUNT OF A HALIDE OF A PLATINUM METAL AND THEN RECOVERING THE DISPROPORTIONATION PRODUCTS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |