Method for preparing homo-and co-polymers of cyclic olefin...

Details Method for preparing homo-and co-polymers of cyclic olefin... Method for preparing homo-and co-polymers of cyclic olefin...

2006-08-15

2006-08-15

Harlan, Robert D. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S154000, C526S171000, C526S172000, C526S281000

Reexamination Certificate

active

07091290

ABSTRACT:
The present invention relates to a method for preparing homo- and co-polymers having high molecular weights in high yields by polymerizing cyclic olefin compounds using a complex prepared by mixing a nickel salt compound, an organoaluminoxane compound, and at least one organic boron compound.

REFERENCES:
patent: 6384144 (2002-05-01), Mecking
patent: 0-504-418 (1992-09-01), None
patent: 61-221206 (1986-10-01), None
patent: 61-271308 (1986-12-01), None
patent: 62-252406 (1987-11-01), None
patent: 64-000106 (1989-01-01), None
patent: 64-066216 (1989-03-01), None

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