US3725301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization initiator of organoalkaline earth compound with organoaluminum compound
Assignee: Phillips Petroleum Co
•
Filing: 1970-10-12
•
Granted: 1973-04-03
•
Expires: 1990-10-12
Abstract
Abstract A polymerization initiator formed on admixing an organoalkaline earth compound and an organoaluminum compound, wherein the organoalkaline earth compound is the reaction product of an alkaline earth metal with a pyridine-type compound, polynuclear aromatic compound, or polyaryl-substituted ethylenic compound.
Inventors
- 👤 F Mueller
- 👤 J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:22
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4266; C08G18/4269; C08G18/48; C08G63/00; C08G63/78; C08G63/82; C08G63/823; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10; C08G65/12
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
134 words
The polymerization initiator as defined in claim 1 wherein said pyridine-type compound is benzo(b)-1,5-naphthyridine; pyrido(2,3-g)quinoline; benzo(c)(1,8)naphthridine; phenanthridine; pyrido(2,3-f)(1,7)phenanthroline; dibenzo(b,g)(1, 8)naphthyridine; napth(1,2-h)isoquinoline; quino(5,6-b)(4, 7)phenanthroline; naphtho-(1,2-b)(4,7)phenanthroline; dibenz(b, i)acridine; acridino(1,2-a)acridine; phenaleno(1,2,3-k, 1)acridine; dinaphtho(2,3-c:2'',3''-i)phenanthridine; 4-cyclopentyl-6-phenoxydinaphth(2,3-a:2,3''-j)acridine; 1-phenyl-5-ethoxy-benzo(c)benz(5,6,)acridino( 3,4-h)acridine; 2-(4-ethylphenyl)-6-butylthio-benzo(1,2-c:5,4-c'')-diacridine; 3-phenylthio-(7-phenylthio)-7-cyclohexylmethyl-9-(N,N -diethylamino)phenanthro(2,1,10-m n a)acridine; 2-benzyl-quino(5, 6-b)(1,7)phenanthroline; 1-chloro-10-ethoxy-benzo(c)(1, 7)naphthyridine; 5-bromo-10-ethyl-4,7-phenanthroline; 7-iodo-10-phenylbenzo(c)(2,7)naphthyridine; 4-phenythio-4''-N,N-dibutylamino-2,2''-bipyridine; 4-chloro-4''-bromo-3,3''-bipyridine; 1,4,5,8-tetraphenylacridine, 4-phenylpyridine; 5-methylquinoline; 4,4''-dichloro-2,2''-bipyridine; 3-ethoxy-2,3''-bipyridine; 4-cyclohexylisoquinoline; 9-fluoroacridine; 8-bromo-1,5-phenanthroline; 9-iodo-1,8-phenanthroline; pyridine; 2,2''-bipyridine; 2,3''-bipyridine; 2,4''-bipyridine; 3,3''-bipyridine; 3, 4''-bIpyridine; 4,4''-bipyridine; quinoline; isoquinoline; acridine; 1,5-phenanthroline; 1,8-phenanthroline; or 4,5-phenanthroline; said polynuclear aromatic hydrocarbon is 9-bromoanthracene; 1-bromonaphthalene; 9,10-dibromoanthracene; 9,10-dimethylanthracene; 9,10-diphenylanthracene; phenanthrene; 9, 10-benzphenanthrene; 2,3-benzanthracene; 1,2-benzanthracene; chrysene; acenaphthylene; perylene; fluoranthene; 3-(3-ethylcyclohexyl)anthracene; 4-(2-cyclohexylethyl)tetracene; 4, 7-diethoxyfluoranthene; 1-phenoxyl-6-methylcoronene; 6-ethylthioaceanthrylene; 6,8-di(phenylthio)hexacene; 7-(N,N-diethylamino)acephenanthrylene; 3,8,14-triphenoxytrinaphthylene; 1,3,6,8-tetraphenylthiopyrene; 1,15-dipentylpyranthrene; 4-N,N-(dimethylamino)perylene; heptaphene; heptacene; pentaphene; rubicene; pleiadene; pentacene; 1,4,8, 11-tetracyclohexylpentacene; 9-methylanthracene; 9-phenylanthracene; 9,10-dicyclohexylanthracene; or 9,10-di(N,N-dimethylamino)anthracene; and said polyaryl-substituted ethylene is stilbene; 1,1-diphenylethylene; 1,2-diphenylethylene; triphenylethylene; tetraphenylethylene; 1-phenyl-2-(1-naphthyl)ethylene; 1,1-diphenyl-2-(2-naphthyl)ethylene; 1,2-di(1-naphthyl)ethylene; 1-(4-methoxyphenyl)-1-(4-phenoxyphenyl)-2-(4-(3-methylcyclopentyl)phenyl)-2 -(4-cyclohexylmethylphenyl)ethylene; 1-(4-methylthiophenyl)-1-(4-phenylthiophenyl)-4-(4-(N,N-diethylamino) -phenyl)ethylene; tetra-(4-phenoxyyphenyl)ethylene; or tetra-(1-naphthyl)-ethylene.
Claim 2
Dependent Claim
87 words
The polymerization initiator according to claim 1 wherein said pyridine-type compound further contains at least one substituent which is alkyl, cycloalkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, N,N-dialkylamino, halogen, or combination thereof, wherein the number of carbon atoms in the total of all such substituents is from one to 24; and said polynuclear aromatic compound further contains at least one substituent which is alkyl, cycloalkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, N,N-dialkylamino, halogen, or combination thereof, wherein the carbon atoms of all the substituents total not more than 25.
Claim 3
Dependent Claim
41 words
The polymerization initiator according to claim 1 wherein said aryl substituents of said polyaryl-substituted ethylenic compound further contain alkyl, cycloalkyl, aryl, alkoxy, aryloxy, alkylthio, arylthio, N,N-dialkylamino, or combination thereof, wherein the carbon atoms of these radicals total not more than 25.
Claim 4
Dependent Claim
22 words
The polymerization initiator according to claim 1 wherein said (I) organoalkaline earth compound is formed from anthracene, 9-bromoanthracene, 1-bromonaphthalene, 9,10-dibromoanthracene, or 2,2''-dipyridyl.
Claim 5
Dependent Claim
26 words
The polymerization initiator according to claim 5 wherein said (I) organoalkaline earth compound is formed from anthracene and calcium, and said (II) organoaluminum compound is triisobutylaluminum.
Claim 6
Dependent Claim
47 words
The polymerization initiator as defined in claim 1 wherein in the preparation of said (II) organoalkaline earth compound said organic compound and said alkaline earth metal are admixed at a temperature in the range of -100*F. to 200*F. in the presence of an ethereal or hydrocarbon diluent.
Claim 7
Dependent Claim
38 words
The polymerization initiator as defined in claim 7 wherein is employed a ratio of gram atoms of said alkaline earth metal to moles of said organic compound of 1:1 to 25:1 in preparing said (II) organoalkaline earth compound.
Claim 8
Dependent Claim
55 words
The polymerization initiator as defined in claim 8 further employing from 0.0002 to 0.2 mole of organic promoter per gram atom of said alkaline earth metal in preparing said (II) organoalkaline earth compound, said organiC promoter reacting with said alkaline earth metal to expose fresh metal surface during preparation of said (II) organoalkaline earth compound.
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |