Catalytic composition and its use for polymerizing cycloolefins

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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252437, 252441, 252443, 526190, C08F 422

Patent

active

040050475

ABSTRACT:
New catalytic composition of improved activity in the process of polymerizing cycloolefins, comprising a carbonyl compound or a carbonyl-metal-carbenic compound of molybdenum or tungsten and titanium tetrachloride, said composition being preferably subjected to an irradiation with rays of a wave length from 180 to 700 nanometers during or before use.

REFERENCES:
patent: 3083246 (1963-03-01), Holzman et al.
patent: 3173902 (1965-03-01), Carrick et al.
patent: 3622521 (1971-11-01), Hogan et al.
patent: 3878182 (1975-04-01), Kormer et al.

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