US3778385A
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Compounds of mo or w with organometals as olefin reaction catalysts
Assignee: Phillips Petroleum Co
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Filing: 1971-04-26
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Granted: 1973-12-11
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Expires: 1991-04-26
Abstract
Abstract A CATALYST ACTIVE FOR THE OLEFIN REACTION INCLUDING OLEFIN DISPROPORTIONATION WHICH COMPRISES A CORDINATION COMPOUND OF MOLYBDENUM OR TUNGSTEN WHEREIN THE METAL IS COMPLEXED WITH AT LEAST ONE OF A CARBONYL; TRIALKYL OR TRIARYL PHOSPHINES, ARSINES OR STILBINES; OR HYDROCARBOXYLIC ACID LIGAND COMBINED WITH AN ORGANOMETALLIC COMPOUND OF GROUPS I-A, II-A, II-B, OR III-A.
Inventors
- 👤 E Zuech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:33
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/20; B01J31/24; B01J31/2404; B01J31/26; C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; C07C6/06; C08; C08F; C08F10/00; B01J2231/00; B01J2231/50; B01J2231/54; B01J2231/543; B01J2531/00; B01J2531/60; B01J2531/64; B01J2531/66; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |