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US4568660A Expired / Lapsed US ⏱️ 0.0 years remaining

Cycloolefin polymerization catalyst composition

Assignee: Metton America Inc
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Filing: 1984-11-16
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Granted: 1986-02-04
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Expires: 2004-11-16
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Abstract

Abstract A polymerization catalyst composition including <IMAGE> wherein R is an alkyl group having 3 to 20 carbon atoms; m is 4 or 6 and n is 0 or 1. Preferably the composition also includes, <IMAGE> wherein R1 and R2 are independently hydrogen, an alkyl or alkoxy group of form 1 to 5 carbons. Preferably r is 1; m is 4 and R is nonyl and the molar ratio of WClmOn to <IMAGE> is from about 1:1 to about 1:3.

Inventors

  • 👤 Daniel W. Klosiewicz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:58
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/64; B; B01; B01J; B01J27/00; B01J27/06; B01J27/132; C07; C07C; C07C37/00; C07C37/11; C07C37/14; C07C37/20; C08F; C08F32/00; C08F32/08; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08; C08L; C08L69/00

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 47 words
A polymerization catalyst composition comprising: ##STR22## wherein R is an alkyl group having 3 to 20 carbon atoms; R 1 and R 2 are independently hydrogen, an alkyl or alkoxy of from 1 to 5 carbons; m is 4 or 6 and n is 0 or 1.
Claim 2
Dependent Claim 47 words
A polymerization catalyst composition comprising: ##STR22## wherein R is an alkyl group having 3 to 20 carbon atoms; R 1 and R 2 are independently hydrogen, an alkyl or alkoxy of from 1 to 5 carbons; m is 4 or 6 and n is 0 or 1.
Claim 3
Dependent Claim 34 words
The composition of claim 1 wherein n is 1; m is 4 and R is nonyl and the molar ratio of WCl m O n to ##STR23## is from about 1:1 to about 1:3.
Claim 4
Dependent Claim 18 words
The composition of claim 1 further comprising a compound selected from the group consisting of 2,4-pentanedione and diglyme.
Claim 5
Dependent Claim 9 words
The composition of claim 1 further comprising a cycloolefin.
Claim 6
Dependent Claim 27 words
The composition of claim 1 further comprising a cycloolefin and the molar ratio of WCl m O n to ##STR24## is from about 1:1 to about 1:5.
Claim 7
Dependent Claim 24 words
The composition of claim 4 wherein said cycloolefin is dicyclopentadiene said dicyclopentadiene being at least 98 percent pure prior to addition to said composition.
Claim 8
Dependent Claim 24 words
The composition of claim 5 wherein said cycloolefin is dicyclopentadiene said dicyclopentadiene being at least 98 percent pure prior to addition to said composition.
Claim 9
Dependent Claim 37 words
The catalyst composition of claim 1 wherein said WCl m O n is a mixture of WCl 4 O and WCl 6 in a molar ratio of WCl 4 O to WCl 6 from 1:9 to 2:1.
Claim 10
Dependent Claim 81 words
A polymerization catalyst composition of the formula ##STR25## wherein R is an alkyl group of from 1 to 20 carbon atoms; R 1 is hydrogen or an alkyl group of from 1 to 5 carbon atoms; R 2 is hydrogen or an alkyl group of from 1 to 5 carbon atoms; R 3 is hydrogen or an alkyl group of from 1 to 5 carbon atoms; R 4 is hydrogen or an alkyl group of from 1 to 5 carbon atoms.
Claim 11
Dependent Claim 81 words
A polymerization catalyst composition of the formula ##STR25## wherein R is an alkyl group of from 1 to 20 carbon atoms; R 1 is hydrogen or an alkyl group of from 1 to 5 carbon atoms; R 2 is hydrogen or an alkyl group of from 1 to 5 carbon atoms; R 3 is hydrogen or an alkyl group of from 1 to 5 carbon atoms; R 4 is hydrogen or an alkyl group of from 1 to 5 carbon atoms.
Claim 12
Dependent Claim 9 words
The composition of claim 9 further comprising a cycloolefin.
Claim 13
Dependent Claim 10 words
The composition of claim 10 wherein said cycloolefin is dicyclopentadiene.
Claim 14
Dependent Claim 36 words
A polymerization catalyst composition comprising: ##STR26## wherein m is 4 or 6; n is 0 or 1; and R 1 and R 2 are independently hydrogen, an alkyl or alkoxy of from 1 to 5 carbons.
Claim 15
Dependent Claim 36 words
A polymerization catalyst composition comprising: ##STR26## wherein m is 4 or 6; n is 0 or 1; and R 1 and R 2 are independently hydrogen, an alkyl or alkoxy of from 1 to 5 carbons.
Claim 16
Dependent Claim 13 words
The composition of claim 12 wherein n is 1 and m is 4.
Claim 17
Dependent Claim 28 words
The composition of claim 13 further comprising a cycloolefin and wherein the molar ratio of WCl m O n to ##STR27## is from about 1:1 to about 1:5.
Claim 18
Dependent Claim 24 words
The composition of claim 14 wherein said cycloolefin is dicyclopentadiene, said dicyclopentadiene being at least 98 percent pure prior to addition to said composition.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-02-03 1989-08-05 1990-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-02-03 1993-08-05 1994-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-02-03 1997-08-05 1998-02-04 $7700.00 Window Closed / Lapsed

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