US4613579A
Expired / Lapsed
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Catalyst component for polymerization of olefins
Assignee: Tonen General Sekiyu KK
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Filing: 1985-07-31
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Granted: 1986-09-23
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Expires: 2005-07-31
Abstract
Abstract A catalyst component for the polymerization of olefins which is prepared by contacting a reaction product of dihydrocarbyl magnesium and a halogen-containing alcohol held in contact with a titanium compound.
Inventors
- 👤 Hiroyuki Furuhashi
- 👤 Tadashi Yamamoto
- 👤 Masafumi Imai
- 👤 Hiroshi Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:35
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
51 words
A titanium containing supported catalyst component comprising the product obtained by contacting (1) a reaction product of (a) a dihydrocarbyl magnesium compound, mixtures thereof or a complex with an organic compound of aluminum, boron, beryllium, or zinc, and (b) a halogen-containing alcohol with (2) a di-, tri-, or tetravalent titanium compound.
Claim 2
Dependent Claim
51 words
A titanium containing supported catalyst component comprising the product obtained by contacting (1) a reaction product of (a) a dihydrocarbyl magnesium compound, mixtures thereof or a complex with an organic compound of aluminum, boron, beryllium, or zinc, and (b) a halogen-containing alcohol with (2) a di-, tri-, or tetravalent titanium compound.
Claim 3
Dependent Claim
48 words
The titanium containing supported catalyst component of claim 1 wherein the dihydrocarbyl magnesium compound is represented by the general formula RMgR' wherein R and R', which can be the same or different, can be an alkyl, cycloalkyl, aryl, or aralkyl group having from 1 to 20 carbon atoms.
Claim 4
Dependent Claim
17 words
The titanium containing supported catalyst component of claim 2 wherein the dihydrocarbyl magnesium compound is n-butylethyl magnesium.
Claim 5
Dependent Claim
29 words
The titanium containing supported catalyst component of claim 1 wherein the titanium compound is selected from the group consisting of titanium tetrachloride, trichloroethoxy titanium, dichlorodibutoxy titanium and dichlorodiphenoxy titanium.
Claim 6
Dependent Claim
16 words
The titanium containing supported catalyst component of claim 4 wherein the titanium compound is titanium tetrachloride.
Claim 7
Dependent Claim
26 words
The titanium containing supported catalyst component of claim 1 wherein the reaction product is contacted with an electron-donating compound prior to contact with the titanium compound.
Claim 8
Dependent Claim
57 words
The titanium containing supported catalyst component of claim 6 wherein the electron-donating compound is selected from a group consisting of carboxylic acids, carboxylic anhydrides, carboxylic esters, carboxylic halides, alcohols, ethers, ketones, amines, amides, nitriles, aldehydes, alcoholates, phosphorous, bismuth, and antimony compounds bonded to an organic group through carbon or oxygen atoms, phosphamides, thioethers, thioesters, and carbonic esters.
Claim 9
Dependent Claim
31 words
The titanium containing supported catalyst component of claim 7 wherein the electron-donating compound is selected from the group consisting of carboxylic acids, carboxylic anhydrides, carboxylic esters, carboxylic halides, alcohols, or ethers.
Claim 10
Dependent Claim
17 words
The titanium containing supported catalyst component of claim 8 wherein the electron-donating compound is a carboxylic ester.
Claim 11
Dependent Claim
25 words
The titanium containing supported catalyst component of claim 1 wherein the halogen-containing alcohol is a monohydric or polyhydric alcohol and the halogen atom is chlorine.
Claim 12
Dependent Claim
16 words
The titanium containing supported catalyst component of claim 10 wherein the halogen-containing alcohol is a 2,2,2-trichloroethanol.
Claim 13
Dependent Claim
23 words
The titanium containing supported catalyst component of claim 1 wherein the reaction product is contacted with the titanium compound at least two times.
Claim 14
Dependent Claim
38 words
The titanium containing supported catalyst component of claim 12 wherein the reaction product is contacted with an inactive hydrocarbon, a halide of a hydrocarbon or a Group IIIa, IVa or Va metal halide between the titanium halide treatments.
Claim 15
Dependent Claim
31 words
A titanium containing supported catalyst component comprising the product obtained by contacting (1) a reaction product of (a) n-butylethyl magnesium, and (b) 2,2,2-trichloroethanol, with (2) (c) di-n-butylphthalate, and (d) titanium tetrachloride.
Claim 16
Dependent Claim
31 words
A titanium containing supported catalyst component comprising the product obtained by contacting (1) a reaction product of (a) n-butylethyl magnesium, and (b) 2,2,2-trichloroethanol, with (2) (c) di-n-butylphthalate, and (d) titanium tetrachloride.
Claim 17
Dependent Claim
20 words
The titanium containing supported catalyst component of claim 14 wherein the product is treated a second time with titanium tetrachloride.
Claim 18
Dependent Claim
24 words
The titanium containing supported catalyst component of claim 15 wherein the product is washed with toluene prior to the second contact with titanium tetrachloride.
Claim 19
Dependent Claim
30 words
A catalyst system for the polymerization of olefins comprising (A) the titanium containing supported catalyst component of claim 1 and (B) an organo metallic compound of Group I through III.
Claim 20
Dependent Claim
30 words
A catalyst system for the polymerization of olefins comprising (A) the titanium containing supported catalyst component of claim 12 and (B) an organo metallic compound of Groups I through III.
Claim 21
Dependent Claim
30 words
A catalyst system for the polymerization of olefins comprising (A) the titanium containing supported catalyst component of claim 13 and (B) an organo metallic compound of Groups I through III.
Claim 22
Dependent Claim
30 words
A catalyst system for the polymerization of olefins comprising (A) the titanium containing supported catalyst component of claim 14 and (B) an organo metallic compound of Groups I through III.
Claim 23
Dependent Claim
30 words
A catalyst system for the polymerization of olefins comprising (A) the titanium containing supported catalyst component of claim 15 and (B) an organo metallic compound of Groups I through III.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1989-09-22 | 1990-03-24 | 1990-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-22 | 1994-03-24 | 1994-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-22 | 1998-03-24 | 1998-09-23 | $7700.00 | Window Closed / Lapsed |