US3147240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-component alkyl aluminum halide catalysts for olefin polymerization and olefinpolymerization process therewith
Assignee: Eastman Kodak Co
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Filing: 1960-10-17
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Granted: 1964-09-01
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Expires: 1980-10-17
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 06:20
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN THE POLYMERIZATION OF ALPHA-MONOOLEFINIC HYDROCARBON MATERIAL TO FORM SOLID CRYSTALLINE POLYMER THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERIZATION WITH A CATALYTIC MIXTURE CONTAINING AN ALUMINUM SESQUIHALIDE HAVING THE FORMULA R3AL2X3 WHEREIN R IS A HYDROCARBON RADICAL CONTAINING 1 TO 12 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ARALKYL AND X IS A HALOGEN ATOMSELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, A COMPOUND OF A TRANSITION METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, VANADIUM, ZIRCONUM, CHROMIUM AND MOLYBDENUM AND A THIRD COMPONENT SELECTED FROM THE AMIDES HAVING THE FORMULA:
Claim 2
Dependent Claim
97 words
IN THE POLYMERIZATION OF ALPHA-MONOOLEFINIC HYDROCARBON MATERIAL TO FORM SOLID CRYSTALLINE POLYMER THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERIZATION WITH A CATALYTIC MIXTURE CONTAINING AN ALUMINUM SESQUIHALIDE HAVING THE FORMULA R3AL2X3 WHEREIN R IS A HYDROCARBON RADICAL CONTAINING 1 TO 12 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ARALKYL AND X IS A HALOGEN ATOMSELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, A COMPOUND OF A TRANSITION METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, VANADIUM, ZIRCONUM, CHROMIUM AND MOLYBDENUM AND A THIRD COMPONENT SELECTED FROM THE AMIDES HAVING THE FORMULA:
References Cited (Backward Citations)
BE534792A
Cited
BE554242A
Cited
GB809717A
Cited
US2886561A
Cited
US2932633A
Cited
US2956991A
Cited
US3018278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |