Ethylene/propylene copolymer rubbers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526153, 526348, 526281, 526901, 502108, 502110, C08F 468

Patent

active

053429079

ABSTRACT:
A process comprising contacting a mixture comprising ethylene, propylene, and, optionally, a diene, in the gas phase, under polymerization conditions, with a catalyst system comprising:

REFERENCES:
patent: 3674766 (1972-07-01), Mottus et al.
patent: 4508842 (1985-04-01), Beran et al.
patent: 4892853 (1990-01-01), Cann et al.
patent: 5082908 (1992-01-01), Imai et al.
patent: 5245007 (1993-09-01), Yamanoto et al.

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