Cycloolefin polymers

Details Cycloolefin polymers Cycloolefin polymers

1997-09-17

1999-01-05

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526159, 526281, 526308, 526348, 5263486, 526283, 526943, C08F23208

Patent

active

058564144

ABSTRACT:
The present invention relates to a cycloolefin polymer having a solution viscosity >0.25 dl/g and containing polymerized units of at least one cycloolefin and, if desired, polymerized units of one or more acyclic olefins, wherein the cycloolefin polymer has at one or both ends an olefinically unsaturated group having at least 3 carbon atoms.

REFERENCES:
patent: 3884888 (1975-05-01), Collette et al.
patent: 4969741 (1990-11-01), Kennedy et al.
patent: 5003019 (1991-03-01), Ishimaru et al.
patent: 5087677 (1992-02-01), Brekner
patent: 5623039 (1997-04-01), Hatke

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