US4537982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organic nickel compounds
Assignee: Bayer AG
•
Filing: 1983-07-22
•
Granted: 1985-08-27
•
Expires: 2003-07-22
Abstract
Abstract Nickel-compounds, producible by reaction of Nickel-(O)-compound or a compound convertible thereto in situ with two different compounds corresponding to the following formulae ##STR1## are useful as catalysts in the polymerization of olefins.
Inventors
- 👤 Karl-Heinz A. O. Starzewski
- 👤 Josef Witte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:34
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/04; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
297 words
Nickel compounds producible by reacting a nickel-(O)-compound or a nickel compound convertible thereto in situ with two different compounds corresponding to the following general formulae ##STR8## wherein R 1 , R 2 and R 3 , which may be the same or different, represent optionally by halogen, hydroxy, C 1 -C 20 -alkoxy or C 6 -C 12 -aryloxy substituted C 1 -C 20 -alkyl radicals, C 6 -C 12 -aryl radicals or C 3 -C 8 -cycloalkyl radicals; C 6 -C 12 -aryl-C 1 -C 20 -alkyl radicals, C 1 -C 20 -alkyl-C 6 -C 12 -aryl radicals, C 1 -C 20 -alkyl-C 3 -C 8 -cycloalkyl radicals, C 6 -C 12 -aryl-C 3 -C 8 -cycloalkyl radicals C 2 -C 6 -alkenyl radicals, C 6 -C 12 -aryl-C 2 -C 6 -alkenyl radicals, di-C 1 -C 4 -alkylamino radicals and optionally substituted phenoxy and alkoxy radicals X denotes O, NR 9 or ##STR9## R 4 , R 5 , R 6 , R 7 and R 8 , which may be the same or different, represent optionally by halogen, hydroxy, C 1 -C 20 -alkoxy or C 6 -C 12 -aryloxy substituted C 1 -C 20 -alkyl radicals, C 6 -C 12 -aryl radicals, C 2 -C 30 -alkenyl radicals or C 3 -C 8 -cycloalkyl radicals; C 6 -C 12 -aryl-C 1 -C 20 -alkyl radicals, C 1 -C 20 -alkyl-C 6 -C 12 -aryl radicals halogen, hydroxy, C 1 -C 20 -alkoxy radicals, or C 6 -C 12 -aryloxy radicals, in addition to which R 7 may represent hydrogen, R 8 may represent hydrogen or sulphonate and R 9 , R 10 and R 11 , which may be the same or different represent hydrogen, silyl, halogen, nitrophenyl, cyano or R 1 .
Claim 2
Dependent Claim
297 words
Nickel compounds producible by reacting a nickel-(O)-compound or a nickel compound convertible thereto in situ with two different compounds corresponding to the following general formulae ##STR8## wherein R 1 , R 2 and R 3 , which may be the same or different, represent optionally by halogen, hydroxy, C 1 -C 20 -alkoxy or C 6 -C 12 -aryloxy substituted C 1 -C 20 -alkyl radicals, C 6 -C 12 -aryl radicals or C 3 -C 8 -cycloalkyl radicals; C 6 -C 12 -aryl-C 1 -C 20 -alkyl radicals, C 1 -C 20 -alkyl-C 6 -C 12 -aryl radicals, C 1 -C 20 -alkyl-C 3 -C 8 -cycloalkyl radicals, C 6 -C 12 -aryl-C 3 -C 8 -cycloalkyl radicals C 2 -C 6 -alkenyl radicals, C 6 -C 12 -aryl-C 2 -C 6 -alkenyl radicals, di-C 1 -C 4 -alkylamino radicals and optionally substituted phenoxy and alkoxy radicals X denotes O, NR 9 or ##STR9## R 4 , R 5 , R 6 , R 7 and R 8 , which may be the same or different, represent optionally by halogen, hydroxy, C 1 -C 20 -alkoxy or C 6 -C 12 -aryloxy substituted C 1 -C 20 -alkyl radicals, C 6 -C 12 -aryl radicals, C 2 -C 30 -alkenyl radicals or C 3 -C 8 -cycloalkyl radicals; C 6 -C 12 -aryl-C 1 -C 20 -alkyl radicals, C 1 -C 20 -alkyl-C 6 -C 12 -aryl radicals halogen, hydroxy, C 1 -C 20 -alkoxy radicals, or C 6 -C 12 -aryloxy radicals, in addition to which R 7 may represent hydrogen, R 8 may represent hydrogen or sulphonate and R 9 , R 10 and R 11 , which may be the same or different represent hydrogen, silyl, halogen, nitrophenyl, cyano or R 1 .
Claim 3
Dependent Claim
146 words
Compounds as claimed in claim 1 wherein R 1 , R 2 and R 3 , which may be the same or different, represent C 1 -C 6 -alkyl, cyclohexyl, phenyl, tolyl, benzyl, di-C 1 -C 4 -alkylamino, phenoxy or C 1 -C 4 -alkoxy, R 4 represents C 6 -C 12 -aryl; R 5 , R 6 , R 7 and R 8 , which may be the same or different, represent C 1 -C 4 -alkyl, cyclohexyl, phenyl, tolyl, benzyl or vinyl; in addition to which R 7 may represent hydrogen or C 1 -C 4 -alkoxy and R 8 may represent hydrogen or sulphonate and R 9 , R 10 and R 11 denotes hydrogen, chlorine, cyano, trimethyl silyl, C 1 -C 6 -alkyl, phenyl, chlorophenyl, nitrophenyl, C 1 -C 6 -alkylphenyl, C 2 -C 6 -alkenyl, and phenyl-C 2 -C 6 -alkenyl.
Claim 4
Dependent Claim
61 words
A process for producing the compounds claimed in claim 1, characterised in that a nickel-(O) compound or a compound convertible thereto in situ is reacted with a compound corresponding to the following general formula: ##STR10## and with compound corresponding to the following general formula: ##STR11## wherein the substituents R 1 to R 8 and X are as defined in claim 1.
Claim 5
Dependent Claim
37 words
A process as claimed in claim 3, characterised in that from 1 to 4 moles of the compound I and from 1 to 4 moles of the compound II are reacted per mole of the nickel-(O) compound.
Claim 6
Dependent Claim
28 words
A process as claimed in claim 3, characterised in that 1 mole of each of the compounds I and II is reacted per mole of the nickel-(O) compound.
Claim 7
Dependent Claim
26 words
A process as claimed in claim 3, characterised in that the reactants are reacted with one another at from 0° to 100° C. under anaerobic conditions.
References Cited (Backward Citations)
US4097509A
Cited
US4144259A
Cited
US4185028A
Cited
US4241155A
Cited
US4293502A
Cited
US4310716A
Cited
US4385007A
Cited
US4416825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-26 | 1989-02-25 | 1989-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-26 | 1993-02-25 | 1993-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-26 | 1997-02-25 | 1997-08-27 | $7700.00 | Window Closed / Lapsed |