US3600367A
Expired / Lapsed
US
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Process and catalysts which are supported on partially unsaturated macromolecular compounds for the polymerization and copolymerization of olefins and the resultant polymers and copolymers
Assignee: Solvay SA
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Filing: 1967-02-21
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Granted: 1971-08-17
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Expires: 1987-02-21
Abstract
Abstract OLEFINS ARE POLYMERIZED AND COPOLYMERIZED IN THE PRESENCE OF A CATALYST CONSTITUTED OF THE REACTION PRODUCT OF ONE OR MORE TRANSITION METAL COMPOUNDS, AND A MACROMOLECULAR COMPOUND CONTAINING CARBON-CARBON DOUBLE BONDS IN ITS MOLECULE AND AN ACTIVATOR WHICH IS A METAL, A HYDRIDE OR AN ORGANO-METALLIC COMPOUND OF METALS OF GROUPS I TO III OF THE PERIODIC TABLE.
Inventors
- 👤 Andre Delbouille
- 👤 Jean-Louis Derroitte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:53
CPC Classifications
C; C08; C08F; C08F291/00; Y; Y10; Y10S; Y10S526/00; Y10S526/903; Y10S526/904
Claims Analysis
Total Claims: 0
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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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |