Patent US4693236A successfully refreshed from Google Patents.
Patent US2832759A successfully refreshed from Google Patents.
US2832759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and catalyst for production of olefin polymers
Assignee: Phillips Petroleum Co
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Filing: 1955-12-16
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Granted: 1958-04-29
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Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Nowlin Gene
- 👤 Harold D Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
C; C08; C08F; C08F10/00; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A METHOD FOR POLYMERIZING A POLYMERIZABLE HYDROCARBON CONTAINING ETHYLENIC UNSATURATION WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH A CATALYST COMPRISING (1) A METAL HALIDE SELECTED FROM THE GROUP CONSISTING OF TRI- AND TETRAHALIDES OF TITANIUM, ZIRCONIUM, HAFNIUM AND GERMANIUM, (2) AN ARGANO PHOSPHORUS-CONTAINING COMPOUND CORRESPONDING TO THE FORMULA R3P, WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF A SATURATED ACYCLIC HYDROCARBON RADICAL, A SATURATED CYCLIC HYDROCARBON RADICAL, AN AROMATIC HYDROCARBON RADICAL AND COMBINATIONS OF THE RADICALS, AND (3) AT LEAST ONE COMPONENT SELECTED FROM THE FOLLOWING: (A) AN ORGANOMETAL CORRESPONDING TO THE FORMULA RMMXN WHEREIN R IS AS DEFINED HEREINABOVE, M IS A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, INDIUM, THALLIUM AND BERYLLIUM, AND X IS A HALOGEN, AND WHEREIN M AND N ARE INTEGERS, THE SUM OF M AND N BEING EQUAL TO THE VALENCE OF THE METAL M; (B) A MIXTURE OF AN ORGANIC HALIDE AND AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, LITHIUM, RUBIDIUM, CESIUM, BERYLLIUM, MAGNESIUM, ZINC, CADMIUM, MERCURY, ALUMINIUM, GALLIUM, INDIUM AND THALLIUM; AND (C) A COMPLEX HYDRIDE CORRESPONDING TO THE FORMULA M''M"H$, WHEREIN M'' IS AN ALKALI METAL, M" IS A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, INDIUM AND THALLIUM, AND X IS EQUAL TO THE SUM OF THE VALENCES OF METALS M'' AND M".
Claim 2
Independent Claim
222 words
A METHOD FOR POLYMERIZING A POLYMERIZABLE HYDROCARBON CONTAINING ETHYLENIC UNSATURATION WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH A CATALYST COMPRISING (1) A METAL HALIDE SELECTED FROM THE GROUP CONSISTING OF TRI- AND TETRAHALIDES OF TITANIUM, ZIRCONIUM, HAFNIUM AND GERMANIUM, (2) AN ARGANO PHOSPHORUS-CONTAINING COMPOUND CORRESPONDING TO THE FORMULA R3P, WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF A SATURATED ACYCLIC HYDROCARBON RADICAL, A SATURATED CYCLIC HYDROCARBON RADICAL, AN AROMATIC HYDROCARBON RADICAL AND COMBINATIONS OF THE RADICALS, AND (3) AT LEAST ONE COMPONENT SELECTED FROM THE FOLLOWING: (A) AN ORGANOMETAL CORRESPONDING TO THE FORMULA RMMXN WHEREIN R IS AS DEFINED HEREINABOVE, M IS A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, INDIUM, THALLIUM AND BERYLLIUM, AND X IS A HALOGEN, AND WHEREIN M AND N ARE INTEGERS, THE SUM OF M AND N BEING EQUAL TO THE VALENCE OF THE METAL M; (B) A MIXTURE OF AN ORGANIC HALIDE AND AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, LITHIUM, RUBIDIUM, CESIUM, BERYLLIUM, MAGNESIUM, ZINC, CADMIUM, MERCURY, ALUMINIUM, GALLIUM, INDIUM AND THALLIUM; AND (C) A COMPLEX HYDRIDE CORRESPONDING TO THE FORMULA M''M"H$, WHEREIN M'' IS AN ALKALI METAL, M" IS A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, INDIUM AND THALLIUM, AND X IS EQUAL TO THE SUM OF THE VALENCES OF METALS M'' AND M".
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |