Patent US3558515A successfully refreshed from Google Patents.
US3558515A
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Complexes of mn,tc,and re with organoaluminum as olefin reaction catalysts
Assignee: Phillips Petroleum Co
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Filing: 1968-03-28
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Granted: 1971-01-26
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Expires: 1988-03-28
Abstract
Abstract A CATALYST ACTIVE FOR THE OLEFIN REACTION INCLUDING OLEFIN DISPROPORTIONATION COMPRISING A COMPOUND OF RHENIUM, MANGANESE OR TECHNETIUM COMPLEXED WITH A SELECTED COMPLEXING AGENT (E.G., TRIPHENYLPHOSPHINE) AND COMBINED WITH AN ORGANOALUMINUM COMPOUND (E.G., ETHYLALUMINUM DICHLORIDE).
Inventors
- 👤 Edmund T Kittleman
- 👤 Ernest A Zuech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:23
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/16; B01J31/24; B01J31/2404; B01J31/26; B01J2231/00; B01J2231/50; B01J2231/54; B01J2231/543; B01J2531/00; B01J2531/70; B01J2531/74; C07C2531/00; C07C2531/16; C07C2531/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |