US4329255A
Expired / Lapsed
US
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Catalyst composition
Assignee: Chevron USA Inc
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Filing: 1980-12-29
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Granted: 1982-05-11
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Expires: 2000-12-29
Abstract
Abstract A novel catalyst system comprising (A) the solid product obtained by (1) treating a polymeric support carrying a magnesium compound with a titanium halide and (2) reacting the product of (1) with an aluminum hydrocarbyl; (B) an activator; and (C) at least one non-halide-containing organic oxygenated titanium compound.
Inventors
- 👤 David L. Beach
- 👤 Richard W. Lunden
- 👤 Adolfo Zambelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:18
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
111 words
A novel catalyst system comprising (A) the solid product obtained by (1) treating a polymeric support carrying a magnesium compound selected from the group consisting of magnesium halides, magnesium nitrates, magnesium alkoxides, magnesium phenates and magnesium carboxylates with a titanium halide and (2) reacting the product of (1) with an aluminum hydrocarbyl; (B) an activator selected from the group consisting of aluminum hydrocarbyls and magnesium hydrocarbyls; and (C) at least one non-halide-containing organic oxygenated titanium compound selected from the group consisting of titanium alkoxides and titanium phenoxides, wherein the molar ratio of titanium in Component C to titanium in Component A is in the range of about 5:1 to about 50:1.
Claim 2
Dependent Claim
111 words
A novel catalyst system comprising (A) the solid product obtained by (1) treating a polymeric support carrying a magnesium compound selected from the group consisting of magnesium halides, magnesium nitrates, magnesium alkoxides, magnesium phenates and magnesium carboxylates with a titanium halide and (2) reacting the product of (1) with an aluminum hydrocarbyl; (B) an activator selected from the group consisting of aluminum hydrocarbyls and magnesium hydrocarbyls; and (C) at least one non-halide-containing organic oxygenated titanium compound selected from the group consisting of titanium alkoxides and titanium phenoxides, wherein the molar ratio of titanium in Component C to titanium in Component A is in the range of about 5:1 to about 50:1.
Claim 3
Dependent Claim
14 words
The composition of claim 1 wherein said polymeric support is an organic thermoplastic polymer.
Claim 4
Dependent Claim
14 words
The composition of claim 1 wherein said polymeric support is an organic thermoset polymer.
Claim 5
Dependent Claim
11 words
The composition of claim 1 wherein said polymeric support is polyethylene.
Claim 6
Dependent Claim
22 words
The composition of claim 1 wherein said polymeric support is polyethylene obtained by polymerizing ethylene using the novel catalyst of claim 1.
Claim 7
Dependent Claim
13 words
The composition of claim 1 wherein said magnesium compound is a magnesium halide.
Claim 8
Dependent Claim
13 words
The composition of claim 1 wherein said magnesium compound is a magnesium nitrate.
Claim 9
Dependent Claim
13 words
The composition of claim 1 wherein said magnesium compound is a magnesium alkoxide.
Claim 10
Dependent Claim
13 words
The composition of claim 1 wherein said magnesium compound is a magnesium phenate.
Claim 11
Dependent Claim
13 words
The composition of claim 1 wherein said magnesium compound is a magnesium carboxylate.
Claim 12
Dependent Claim
60 words
The composition of claim 1 wherein said magnesium compound is defined by the following formula: MgX.sub.2.nH.sub.2 O, wherein X can be a halogen, nitrate, --OC(R 1 ) 3 or --OCH 2 OC(R 2 ) 3 , wherein R 1 and R 2 can be a hydrocarbyl radical or hydrogen, or --OCOH, and n is a number from 1 to 6.
Claim 13
Dependent Claim
11 words
The composition of claim 6 wherein X can be a halogen.
Claim 14
Dependent Claim
12 words
The composition of claim 1 wherein said magnesium compound is magnesium dichloride.
Claim 15
Dependent Claim
12 words
The composition of claim 1 wherein said titanium halide is titanium tetrachloride.
Claim 16
Dependent Claim
12 words
The composition of claim 1 wherein said titanium halide is titanium tetrabromide.
Claim 17
Dependent Claim
12 words
The composition of claim 1 wherein said aluminum hydrocarbyl is an alkylaluminum.
Claim 18
Dependent Claim
11 words
The composition of claim 1 wherein said aluminum hydrocarbyl is triethylaluminum.
Claim 19
Dependent Claim
12 words
The composition of claim 1 wherein said activator is an aluminum hydrocarbyl.
Claim 20
Dependent Claim
12 words
The composition of claim 1 wherein said activator is a magnesium hydrocarbyl.
Claim 21
Dependent Claim
11 words
The composition of claim 1 wherein said activator is an alkylaluminum.
Claim 22
Dependent Claim
10 words
The composition of claim 1 wherein said activator is triethylaluminum.
Claim 23
Dependent Claim
36 words
The composition of claim 1 wherein said polymeric support carrying said magnesium compound is prepared by suspending a polymeric support in a polar solvent solution of said magnesium compound and thereafter removing said polar solvent therefrom.
Claim 24
Dependent Claim
12 words
The composition of claim 1 wherein said polar solvent is an alkanol.
Claim 25
Dependent Claim
24 words
The composition of claim 1 wherein Component (C) is a titanium compound defined by the following formula: ##STR2## wherein R is a hydrocarbyl radical.
Claim 26
Dependent Claim
12 words
The composition of claim 1 wherein Component (C) is a titanium alkoxide.
Claim 27
Dependent Claim
11 words
The composition of claim 1 wherein Component (C) is titanium tetra(isopropoxide).
Claim 28
Dependent Claim
31 words
The composition of claim 1 wherein the magnesium compound is a magnesium halide, the aluminum hydrocarbyl is an alkylaluminum, the activator is an alkylaluminum and Component (C) is a titanium alkoxide.
Claim 29
Dependent Claim
12 words
The composition of claim 1 wherein Component (C) is a titanium phenoxide.
Claim 30
Dependent Claim
27 words
The composition of claim 1 wherein the magnesium compound is magnesium dichloride, the aluminum hydrocarbyl is triethylaluminum, the activator is triethylaluminum and Component (C) is titanium tetra(isopropoxide).
Claim 31
Dependent Claim
30 words
The composition of claim 1 wherein the molar ratio of titanium in Component (C) to the titanium in Component (A) is in the range of about 10:1 to about 50:1.
References Cited (Backward Citations)
US3901863A
Cited
US4021599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-10 | 1985-11-09 | 1986-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-10 | 1989-11-09 | 1990-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-10 | 1993-11-09 | 1994-05-11 | $7700.00 | Window Closed / Lapsed |