06825307 is referenced by 32 patents and cites 3 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
10/196525
Publication Number
6825307 (B2)
Application Date
July 16, 2002
Publication Date
November 30, 2004
Inventor
Brian L Goodall
Baton Rouge
LA, US
Agent
Hudak Shunk & Farine Co
US
Assignee
Promerus
OH, US
IPC
C08F 32/08
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