Patent US3328366A successfully refreshed from Google Patents.
US3328366A
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Polymerization of ethylene and an alpha-olefin in the presence of an alkyl aluminum halide, a vanadium compound and an organic compound containing sulfur, oxygen and a halogen
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1964-05-20
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Granted: 1967-06-27
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Expires: 1984-05-20
Abstract
No abstract record available.
Inventors
- 👤 Nakaguchi Kohei
- 👤 Fujita Toshimichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
234 words
A METHOD FOR PRODUCING A POLYMER OF OLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND A MIXTURE OF ETHYLENE AND AN ALPHA-OLEFIN HAVING THE GENERAL FORMULA OF RCH=CH2 WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, ALKYLARYL AND CYCLOALKYL RADICALS HAVING CARBON ATOMS OF FROM 1 TO 20, COMPRISING CONTACTING THE SAID OLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND A MIXTURE OF ETHYLENE AND AN ALPHA-OLEFIN HAVING THE GENERAL FORMULA OF RCH=CH2 WITH A CATALYST COMPOSITION PRODUCED BY ADMIXING (A) AT LEAST ONE ORGANOALUMINUM COMPOUND CONTAINING AT LEAST ONE HALOGEN ATOM WHOSE COMPOSITION IS REPRESENTED BY THE GENERAL FORMULA OF ALR''MX3-M WHEREIN R'' IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, ALKYLARYL AND CYCLOALKYL RADICALS HAVING CARBON ATOMS OF FROM 1 TO 20, X IS A HALOGEN ATOM AND M IS A NUMBER OF FROM 1 TO 2, (B) A COMPOUND OF THE GENERAL FORMULA OF R"SONY, WHEREIN R" IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALOGEN ATOMS, HYDROXYL RADICAL AND HYDROCARBON RADICALS OF ALKYL, ARYL, ARALKYL, ALKYLARYL AND CYCLOALKYL RADICALS HAVING CARBON ATOMS OF FROM 1 TO 20, AND THEIR DERIVATIVES, Y IS A HALOGEN ATOMS AND N IS AN INTEGER SELECTED FROM 1 AND 2, AND (C) A VANADIUM COMPOUND HAVING AT LEAST ONE RADICAL SELECTED FROM THE GROUP CONSISTING OF HALOGEN, ALCOHOLATE, ACETYLACETONATE, SALICYLATE, AND CYCLOPENTADIENYL.
Claim 2
Independent Claim
234 words
A METHOD FOR PRODUCING A POLYMER OF OLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND A MIXTURE OF ETHYLENE AND AN ALPHA-OLEFIN HAVING THE GENERAL FORMULA OF RCH=CH2 WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, ALKYLARYL AND CYCLOALKYL RADICALS HAVING CARBON ATOMS OF FROM 1 TO 20, COMPRISING CONTACTING THE SAID OLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE AND A MIXTURE OF ETHYLENE AND AN ALPHA-OLEFIN HAVING THE GENERAL FORMULA OF RCH=CH2 WITH A CATALYST COMPOSITION PRODUCED BY ADMIXING (A) AT LEAST ONE ORGANOALUMINUM COMPOUND CONTAINING AT LEAST ONE HALOGEN ATOM WHOSE COMPOSITION IS REPRESENTED BY THE GENERAL FORMULA OF ALR''MX3-M WHEREIN R'' IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, ALKYLARYL AND CYCLOALKYL RADICALS HAVING CARBON ATOMS OF FROM 1 TO 20, X IS A HALOGEN ATOM AND M IS A NUMBER OF FROM 1 TO 2, (B) A COMPOUND OF THE GENERAL FORMULA OF R"SONY, WHEREIN R" IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HALOGEN ATOMS, HYDROXYL RADICAL AND HYDROCARBON RADICALS OF ALKYL, ARYL, ARALKYL, ALKYLARYL AND CYCLOALKYL RADICALS HAVING CARBON ATOMS OF FROM 1 TO 20, AND THEIR DERIVATIVES, Y IS A HALOGEN ATOMS AND N IS AN INTEGER SELECTED FROM 1 AND 2, AND (C) A VANADIUM COMPOUND HAVING AT LEAST ONE RADICAL SELECTED FROM THE GROUP CONSISTING OF HALOGEN, ALCOHOLATE, ACETYLACETONATE, SALICYLATE, AND CYCLOPENTADIENYL.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |