US3554924A
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Rare earth metal halides with organozluminums as olefin reaction catalysts
Assignee: Phillips Petroleum Co
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Filing: 1968-01-02
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Granted: 1971-01-12
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Expires: 1988-01-02
Abstract
Abstract A CATALYST ACTIVE FOR THE OLEFIN REACTION INCLUDING OLEFIN DISPROPORTIONATION COMPRISING A RARE EARTH METAL HALIDE (E.G. SMCL3) COMBINED WITH AN ORGANOALUMINUM COMPOUND (E.G., ETHYLALUMINUM DICHLORIDE).
Inventors
- 👤 Edmund T Kittleman
- 👤 Ernst A Zuech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:40
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/165; B01J31/02; B01J31/12; B01J31/122; B01J31/14; B01J31/143; B01J31/1616; B01J31/26; C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; B01J2231/00; B01J2231/50; B01J2231/52; B01J2231/54; B01J2231/543; B01J27/00; B01J27/06; B01J27/08; B01J27/10; Y; Y02; Y02P; Y02P20/00; Y02P20/50
Claims Analysis
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |