US3230208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-component alkyl aluminum halide catalysts for olefin polym-erization
Assignee: Eastman Kodak Co
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Filing: 1960-12-23
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Granted: 1966-01-18
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Expires: 1980-12-23
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
2026-10-30 10:02
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN THE POLYMERIZATION OF AN OLEFINIC HYDROCARBON CONTAINING 3 TO 10 CARBON ATOMS TO FORM SOLID, CRYSTALLINE POLYMER, THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERIZATION WITH A CATALYTIC MIXTURE CONTAINING AN ALUMINUM DIHALIDE HAVING THE FORMULA R1AIX2 WHEREIN R1 IS A HYDROCARBON RADICAL CONTAINING 1 TO 12 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ARALKYL AND X IS A HALOGEN ATOM SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, A HALIDE OF A TRANSITION METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, VANADIUM, CHROMIUM AND MOLYBDENUM, AND AN ESTER HAVING THE FORMULA RCOOR1 WHEREIN R HAS THE FORMULA -(CH2)NCOOR2 WHEREIN N IS A NUMBER FROM 0 TO 4 AND R1 AND R2 ARE ALKYL RADICALS CONTAINING 1 TO 4 CARBON ATOMS, THE MOLAR RATIO OF TRANSITION METAL HALIDE TO SAID ESTER BEING WITHIN THE RANGE OF 1:1 TO 1:0.1.
Claim 2
Dependent Claim
147 words
IN THE POLYMERIZATION OF AN OLEFINIC HYDROCARBON CONTAINING 3 TO 10 CARBON ATOMS TO FORM SOLID, CRYSTALLINE POLYMER, THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERIZATION WITH A CATALYTIC MIXTURE CONTAINING AN ALUMINUM DIHALIDE HAVING THE FORMULA R1AIX2 WHEREIN R1 IS A HYDROCARBON RADICAL CONTAINING 1 TO 12 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL AND ARALKYL AND X IS A HALOGEN ATOM SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, A HALIDE OF A TRANSITION METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, VANADIUM, CHROMIUM AND MOLYBDENUM, AND AN ESTER HAVING THE FORMULA RCOOR1 WHEREIN R HAS THE FORMULA -(CH2)NCOOR2 WHEREIN N IS A NUMBER FROM 0 TO 4 AND R1 AND R2 ARE ALKYL RADICALS CONTAINING 1 TO 4 CARBON ATOMS, THE MOLAR RATIO OF TRANSITION METAL HALIDE TO SAID ESTER BEING WITHIN THE RANGE OF 1:1 TO 1:0.1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |