Patent CH191096A successfully refreshed from Google Patents.
US3859231A
Expired / Lapsed
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Simplified process for manufacture of catalyst component
Assignee: Chevron USA Inc
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Filing: 1972-10-13
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Granted: 1975-01-07
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Expires: 1992-10-13
Abstract
Abstract This invention is an improved procedure for preparing a titanium halide-magnesium halide component of a Ziegler type catalyst. In the improved method a solution of titanium tetrachloride in an inert hydrocarbon solvent is mixed with magnesium chloride (or hydroxychloride) and an alcohol, with the provision that the titanium chloride solution is not mixed with the alcohol before contacting the magnesium chloride.
Inventors
- 👤 Rajindar K Kochhar
- 👤 Myron D Osborn
- 👤 Robert J Rowatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/06; C08F4/12; B; B01; B01J; B01J27/00; B01J27/06; B01J27/08; B01J27/10; C08F110/00; C08F110/02; C08F4/02; C08F4/022
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
155 words
A PROCESS FOR THE MANUFACTURE OF A POLYMERIZATION CATALYST COMPONENT WHIH CONSISTS ESSENTIALLY OF CONTACTING A MAGNESIUM COMPOUND WITH TITANIUM TETRACHLORIDE IN AN INERT HYDROCARBON MEDIUM WITH THE FURTHER PROVISION THAT EITHER (A) THE MAGNESIUM COMPOUND IS CONTACTED WITH A 1-10 CARBON ALKANOL IN SAID HYDROCARBON MEDIUM BEFORE THE TITANIUM TETRACHLORIDE IS ADDED TO THE REACTION MEDIUM, OR (B) THE MAGNESIUM COMPOUND AND TITANIUM TETRACHOLRIDE ARE REACTED TOGETHER IN THE HYDROCARBON MEDIUM AND THEN CONTACTED WITH A 1-10 CARBON ALKANOL IN SAID HYDROCARBON MEDIUM AFTER BEING FORMED; SAID CONTACTING STEPS BEING CARRIED OUT AT A TEMPERATURE IN THE RANGE OF 15*-60*C; SAID MAGNESIUM COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CHLORIDE AND MAGNESIUM HYDROXCYCHLORIDE; THE MAGNESIUM COMPOUND BEING EMPLOYED IN A TATIO OF 0.05 TO 20 MOLS PER MOL OF TITANIUM TETRACHOLRIDE; AND THE ALKANOL BEING EMPLOUED IN A RATIO OF 0.05 TO 20 MOLS PER MOL TITANIUM TETRACHLORIDE PLUS THE MAGNESIUM COMPOUND.
Claim 2
Dependent Claim
155 words
A PROCESS FOR THE MANUFACTURE OF A POLYMERIZATION CATALYST COMPONENT WHIH CONSISTS ESSENTIALLY OF CONTACTING A MAGNESIUM COMPOUND WITH TITANIUM TETRACHLORIDE IN AN INERT HYDROCARBON MEDIUM WITH THE FURTHER PROVISION THAT EITHER (A) THE MAGNESIUM COMPOUND IS CONTACTED WITH A 1-10 CARBON ALKANOL IN SAID HYDROCARBON MEDIUM BEFORE THE TITANIUM TETRACHLORIDE IS ADDED TO THE REACTION MEDIUM, OR (B) THE MAGNESIUM COMPOUND AND TITANIUM TETRACHOLRIDE ARE REACTED TOGETHER IN THE HYDROCARBON MEDIUM AND THEN CONTACTED WITH A 1-10 CARBON ALKANOL IN SAID HYDROCARBON MEDIUM AFTER BEING FORMED; SAID CONTACTING STEPS BEING CARRIED OUT AT A TEMPERATURE IN THE RANGE OF 15*-60*C; SAID MAGNESIUM COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CHLORIDE AND MAGNESIUM HYDROXCYCHLORIDE; THE MAGNESIUM COMPOUND BEING EMPLOYED IN A TATIO OF 0.05 TO 20 MOLS PER MOL OF TITANIUM TETRACHOLRIDE; AND THE ALKANOL BEING EMPLOUED IN A RATIO OF 0.05 TO 20 MOLS PER MOL TITANIUM TETRACHLORIDE PLUS THE MAGNESIUM COMPOUND.
Claim 3
Dependent Claim
32 words
The process of claim 1 in which the magnesium compound and titanium tetrachloride are reacted together in the hydrocarbon medium and then contacted with a 1-10 carbon alkanol in said hydrocarbon medium.
Claim 4
Dependent Claim
12 words
The improvement according to claim 1 in which the alcohol is methanol.
Claim 5
Dependent Claim
12 words
The improvement according to claim 1 in which the alcohol is ethanol.
Claim 6
Dependent Claim
12 words
The improvement according to claim 1 in which the alcohol is propanol.
Claim 7
Dependent Claim
12 words
The improvement according to claim 1 in which the alcohol is butanol.
Claim 8
Dependent Claim
24 words
The improvement according to claim 1 in which the magnesium chloride is used in the form of a mixture with a powdered solid diluent.
Claim 9
Dependent Claim
14 words
The improvement according to claim 7 in which the powdered solid diluent is talc.
Claim 10
Dependent Claim
51 words
The improvement in the manufacture of a polymerization catalyst component according to claim 1 consisting of dissolving 1 part by weight of TiCl4 in an inert hydrocarbon solvent and reacting the resulting solution with a mixture consisting of approximately three parts by weight of MgCl2 and two parts by weight ethanol.
Claim 11
Dependent Claim
57 words
The improvement in the manufacture of a polymerization catalyst component consisting of mixing together approximately equal weights of TiCl4 and MgCl2 in an inert hydrocarbon solvent, then adding and reacting therewith an amount of ethanol approximately equal in weight to either of the other reagents and recovering a dry solid product from the resulting reaction product mixture.
Claim 12
Dependent Claim
57 words
The improvement in the manufacture of a polymerization catalyst component consisting of mixing together approximately equal weights of TiCl4 and MgCl2 in an inert hydrocarbon solvent, then adding and reacting therewith an amount of ethanol approximately equal in weight to either of the other reagents and recovering a dry solid product from the resulting reaction product mixture.
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) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |