US2899418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of olefins by mechanical activation process
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
C; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S526/00; Y10S526/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A PROCESS FOR THE POLYMERIZATION OF MONOMERS CONTAINING A CH2=C< GROUP WITH A CATALYST COMPRISING (1) AN ELEMENTAL METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, LITHIUM, CESIUM, RUBIDIUM, MAGNESIUM, BERYLLIUM, ZINC, CADMIUM, GALLIUM, INDIUM, THALLIUM, ALUMINUM, AND ALLOYS THEREOF, AND (2) A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, IRIDIUM, VANADIUM, MOLYBEDENUM, TUNGSTEN, TELLURIUM, SELENIUM, POLONIUM, HAFNIUM, THORIUM, GERMANIUM, CERIUM, TIN, LEAD AND CHROMIUM, IN THE PRESENCE OF A HYDROCARBON DILUENT, WHICH IS INERT UNDER
Claim 2
Dependent Claim
83 words
IN A PROCESS FOR THE POLYMERIZATION OF MONOMERS CONTAINING A CH2=C< GROUP WITH A CATALYST COMPRISING (1) AN ELEMENTAL METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, LITHIUM, CESIUM, RUBIDIUM, MAGNESIUM, BERYLLIUM, ZINC, CADMIUM, GALLIUM, INDIUM, THALLIUM, ALUMINUM, AND ALLOYS THEREOF, AND (2) A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, IRIDIUM, VANADIUM, MOLYBEDENUM, TUNGSTEN, TELLURIUM, SELENIUM, POLONIUM, HAFNIUM, THORIUM, GERMANIUM, CERIUM, TIN, LEAD AND CHROMIUM, IN THE PRESENCE OF A HYDROCARBON DILUENT, WHICH IS INERT UNDER
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |