06455650 is referenced by 85 patents and cites 11 patents.

Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula:

[(R′)

z

M(L′)

x

(L″)

y

]

b

[WCA]

d

wherein [(R′)

z

M(L′)

x

(L″)

y

] is a cation complex where M represents a Group 10 transition metal; R′ represents an anionic hydrocarbyl containing ligand; L′ represents a Group 15 neutral electron donor ligand; L″ represents a labile neutral electron donor ligand; x is 1 or 2; and y is 0, 1, 2, or 3; and z is 0 or 1, wherein the sum of x, y, and z is 4; and [WCA] represents a weakly coordinating counteranion complex; and b and d are numbers representing the number of times the cation complex and weakly coordinating counteranion complex are taken to balance the electronic charge on the overall catalyst complex.

Title
Catalyst and methods for polymerizing cycloolefins
Application Number
9/412935
Publication Number
6455650 (B1)
Application Date
October 5, 1999
Publication Date
September 24, 2002
Inventor
Ayusman Sen
State College
PA, US
Jennifer D Polley
Exton
PA, US
Christine N Elia
State College
PA, US
April D Hennis
State College
PA, US
Saikumar Jayaraman
Twinsburg
PA, US
John C Fondran
Cleveland Heights
OH, US
Richard A Mimna
Cleveland Heights
OH, US
Andrew Bell
Lakewood
OH, US
Brian L Goodall
Baton Rouge
LA, US
Larry F Rhodes
Silver Lake
OH, US
John Henry Lipian
North Royalton
OH, US
Agent
Millen White Zelano & Branigan
US
Agent
Thoburn T Dunlap
US
Assignee
The Penn State Research Foundation
PA, US
The B F Goodrich Company
OH, US
IPC
C08F 4/80
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