US3784631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimerization or codimerization of alpha-olefins
Assignee: Goodyear Tire and Rubber Co
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Filing: 1972-03-09
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Granted: 1974-01-08
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Expires: 1992-03-09
Abstract
Abstract THE IS DISCLOSED A PROCESS FOR THE DIMERIZATION OR CODIMERIZATION OF A-OLEFINS BY MEANS OF A CATALYST SYSTEM COMPRISING (A) AN ORGANOMETALLIC COMPOUND, (B) A NITROGEN-CONTAINING LIGAND AND (C) THE REACTION PRODUCT OF A TUNGSTEN HALIDE AND A DIKETONE.
Inventors
- 👤 H Menapace
- 👤 G Benner
- 👤 N Maly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:43
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/32; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/16; C07C2531/22
Claims Analysis
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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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |