Patent CH109202A successfully refreshed from Google Patents.
US2969346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-component catalyst for polymerizing olefins containing a mixture of metals and a halogen
Assignee: Eastman Kodak Co
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Filing: 1958-03-31
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Granted: 1961-01-24
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Coover
- 👤 Frederick B Joyner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:44
CPC Classifications
C; C08; C08F; C08F110/00; C08F110/04; C08F110/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN THE POLYMERIZATION OF A-MONOOLEFINIC HYDROCARBONS CONTAINING 3 TO 10 CARBON ATOMS TO FORM SOLID CRYSTALLINE POLYMER, THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERZATION WITH A CATALYTIC MIXTURE CONSISTING ESSENTIALLY OF METALLIC TITANIUM, METALLIC ALUMINUM, IODINE MONOCHLORIDE AND AN ORGANOPHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIALKYL PHOSPHITES, TRIALKYL PHOSPHATES AND HEXAALKYL PHOSPHORAMIDES, THE ALKYL RADICALS IN SAID ORGANOPHOSPHORUS COMPOUND CONTAINING FROM 1 TO 8 CARBON ATOMS, SAID CATALYTIC MIXTURE CONTAINING 0.1 TO 10 ATOMS OF ALUMINUM PER ATOM OF TITANIUM, 0.1 TO 10 ATOMS OF ALUMINUM PER MOLE OF IODINE MONOCHLORIDE AND 0.1 TO 0.5 MOLE OF ORGANOPHOSPHORUS COMPOUND PER MOLE OF IODINE MONOCHLORIDE.
Claim 2
Dependent Claim
106 words
IN THE POLYMERIZATION OF A-MONOOLEFINIC HYDROCARBONS CONTAINING 3 TO 10 CARBON ATOMS TO FORM SOLID CRYSTALLINE POLYMER, THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERZATION WITH A CATALYTIC MIXTURE CONSISTING ESSENTIALLY OF METALLIC TITANIUM, METALLIC ALUMINUM, IODINE MONOCHLORIDE AND AN ORGANOPHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIALKYL PHOSPHITES, TRIALKYL PHOSPHATES AND HEXAALKYL PHOSPHORAMIDES, THE ALKYL RADICALS IN SAID ORGANOPHOSPHORUS COMPOUND CONTAINING FROM 1 TO 8 CARBON ATOMS, SAID CATALYTIC MIXTURE CONTAINING 0.1 TO 10 ATOMS OF ALUMINUM PER ATOM OF TITANIUM, 0.1 TO 10 ATOMS OF ALUMINUM PER MOLE OF IODINE MONOCHLORIDE AND 0.1 TO 0.5 MOLE OF ORGANOPHOSPHORUS COMPOUND PER MOLE OF IODINE MONOCHLORIDE.
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |