US5296565A
Expired / Lapsed
US
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Olefin polymerization catalyst and olefin polymerization
Assignee: Mitsui Chemicals Inc
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Filing: 1993-04-02
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Granted: 1994-03-22
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Expires: 2013-04-02
Abstract
Abstract A solid catalyst for olefin polymerization comprising [A] a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups of II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water, [B] an organoaluminum oxy compound, and [C] a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, wherein the organoaluminum oxy compound [B] and the transition metal compound [C] are supported on the particulate carrier [A].
Inventors
- 👤 Takashi Ueda
- 👤 Okawa Kazunori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:47
CPC Classifications
C; C08; C08F; C08F10/00; C08F210/00; C08F210/16; C08F110/00; C08F110/02; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/659; C08F4/65904; C08F4/65912; C08F4/65916; C08F4/6592; Y; Y10; Y10S; Y10S526/00; Y10S526/904; Y10S526/943
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
107 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0% by weight of water, an organoaluminum oxy compound, and a transition metal compound of metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadieny skeleton, wherein the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 2
Dependent Claim
107 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0% by weight of water, an organoaluminum oxy compound, and a transition metal compound of metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadieny skeleton, wherein the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 3
Dependent Claim
44 words
The process for the polymerization of olefin as claimed in claim 1 wherein said transition metal compound includes at least two kinds of transition metal compounds of metals belonging to the group IV B of the periodic table containing ligands having a cyclopentadienyl skeleton.
Claim 4
Dependent Claim
112 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0% by weight of water, an organoaluminum oxy compound, and a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, wherein the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier, and an organoaluminum compound.
Claim 5
Dependent Claim
112 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0% by weight of water, an organoaluminum oxy compound, and a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, wherein the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier, and an organoaluminum compound.
Claim 6
Dependent Claim
114 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton and an organoaluminum compound, wherein the organoaluminum oxy compound, the transition metal and the organoaluminum compound are supported on the particulate carrier.
Claim 7
Dependent Claim
114 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a solid catalyst for olefin polymerization comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton and an organoaluminum compound, wherein the organoaluminum oxy compound, the transition metal and the organoaluminum compound are supported on the particulate carrier.
Claim 8
Dependent Claim
44 words
The process for the polymerization of olefin as claimed in claim 4 wherein said transition metal compound includes at least two kinds of transition metal compounds of metals belonging to the group IV B of the periodic table containing ligands having a cyclopentadieny skeleton.
Claim 9
Dependent Claim
126 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 10
Dependent Claim
126 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table, and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 11
Dependent Claim
44 words
The process for the polymerization of olefin as claimed in claim 6 wherein said transition metal compound includes at least two kinds of transition metal compounds of metals belonging to the group IV B of the periodic table containing ligands having a cyclopendadienyl skeleton.
Claim 12
Dependent Claim
133 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization and an organoaluminum compound, said prepolymerized catalyst which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 13
Dependent Claim
133 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization and an organoaluminum compound, said prepolymerized catalyst which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 14
Dependent Claim
44 words
The process for the polymerization of olefin as claimed in claim 8 wherein said transition metal compound includes at least two kinds of transition metal compounds of metals belonging to the group IV B of the periodic table containing ligands having a cyclopentadienyl skeleton.
Claim 15
Dependent Claim
129 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (II) at least 1.0 % by weight of water, an organoaluminum oxy compound, and a transition metal of metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and an organoaluminum compound, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 16
Dependent Claim
129 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (II) at least 1.0 % by weight of water, an organoaluminum oxy compound, and a transition metal of metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadienyl skeleton, and an organoaluminum compound, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound and the transition metal compound are supported on the particulate carrier.
Claim 17
Dependent Claim
42 words
The process for the polymerization of olefin as claimed in claim 10 wherein said transition metal compound includes at least two transition metal compounds of metals belonging to the group IV B of the periodic table containing ligands having a cyclopentadieny skeleton.
Claim 18
Dependent Claim
142 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization and an organoaluminum compound, said prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadieny skeleton, and an organoaluminum compound, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound, the transition metal and the organoaluminum compound are supported on the particulate carrier.
Claim 19
Dependent Claim
142 words
A process for the polymerization of olefin which comprises polymerizing or copolymerizing olefin in the presence of a prepolymerized catalyst for olefin polymerization and an organoaluminum compound, said prepolymerized catalyst for olefin polymerization which comprises a solid catalyst comprising a particulate carrier composed of (i) an oxide of at least one element selected from among those belonging to the groups II, III and IV of the periodic table and containing (ii) at least 1.0 % by weight of water, an organoaluminum oxy compound, a transition metal compound of a metal belonging to the group IV B of the periodic table containing a ligand having a cyclopentadieny skeleton, and an organoaluminum compound, and a prepolymerized polyolefin formed on the solid catalyst wherein in the prepolymerized catalyst the organoaluminum oxy compound, the transition metal and the organoaluminum compound are supported on the particulate carrier.
Claim 20
Dependent Claim
44 words
The process for the polymerization of olefin as claimed in claim 12 wherein said transition metal compound includes at least two kinds of transition metal compounds of metals belonging to the group IV B of the periodic table containing ligands having a cyclopentadieny skeleton.
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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) | 1997-03-21 | 1997-09-20 | 1998-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-21 | 2001-09-20 | 2002-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-21 | 2005-09-20 | 2006-03-22 | $7700.00 | Window Closed / Lapsed |