Patent US3269996A successfully refreshed from Google Patents.
US3269996A
Expired / Lapsed
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Three-component polymerization catalysts containing coordination complexes
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-09-18
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Granted: 1966-08-30
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur W Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:37
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
118 words
A THREE-COMPOENENT POLYMERIZATION CATALYST CONSISTING ESSENTIALLY OF: (A) A FIRST COMPONENT SELECTED FROM THE GROUP CONSISTING OF METALS, METAL HYDRIDES, ALKYL METAL COMPOUNDS AND ARYL METAL COMPOUNDS WHEREIN THE METAL IS SELECTED FROM GROUPS I-III AND THE ALKYL OR ARYL RADICALS CONTAIN 1-8 CARBON ATOMS; (B) A SECOND COMPONENT COMPRISING A GROUP IV-VIII TRANSITION METAL COMPOUND; (C) A THIRD COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HALIDE COORDINATION COMPLEXES OF AMINES, AMIDES, ETHERS, PHOSPHATES, THIOPHENES AND PHOSPHINE OXIDES, THE MOLAR RRATIO OF THE FIRST COMPONENT TO THE SECOND COMPONENT BEING IN THE RANGE OF 0.1:1 TO 10.1 AND THE MOLAR RATIO OF THE SECOND COMPONENT TO THE THIRD COMPONENT BEING IN THE RANGE OF 0.2:1 TO 5:1.
Claim 2
Dependent Claim
118 words
A THREE-COMPOENENT POLYMERIZATION CATALYST CONSISTING ESSENTIALLY OF: (A) A FIRST COMPONENT SELECTED FROM THE GROUP CONSISTING OF METALS, METAL HYDRIDES, ALKYL METAL COMPOUNDS AND ARYL METAL COMPOUNDS WHEREIN THE METAL IS SELECTED FROM GROUPS I-III AND THE ALKYL OR ARYL RADICALS CONTAIN 1-8 CARBON ATOMS; (B) A SECOND COMPONENT COMPRISING A GROUP IV-VIII TRANSITION METAL COMPOUND; (C) A THIRD COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HALIDE COORDINATION COMPLEXES OF AMINES, AMIDES, ETHERS, PHOSPHATES, THIOPHENES AND PHOSPHINE OXIDES, THE MOLAR RRATIO OF THE FIRST COMPONENT TO THE SECOND COMPONENT BEING IN THE RANGE OF 0.1:1 TO 10.1 AND THE MOLAR RATIO OF THE SECOND COMPONENT TO THE THIRD COMPONENT BEING IN THE RANGE OF 0.2:1 TO 5:1.
Claim 3
Dependent Claim
31 words
IN A PROCESS FOR POLYMERIZING A-MONOOLEFINIC HYDROCARBONS CONTAINING FROM 2-8 CARBON ATOMS TO FORM SOLID CRYSTALLINE POLYMERS, THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERIZATION WITH THE CATALYST SYSTEM OF CLAIM 1.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |