Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1989-10-25
1991-05-07
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526 65, 526 97, 5263486, 526352, C08F 214, C08F 1002
Patent
active
050138022
ABSTRACT:
A process for preparing an ethylene polymer by a two-stage polymerization of ethylene or ethylene and an .alpha.-olefin in an inert hydrocarbon at 50.degree.-100.degree. C. using a coordination polymerization catalyst containing a solid component and an organoaluminum compound, said solid component containing a transition metal compound, which process comprises:
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Kuroda Nobuyuki
Matsuura Kazuo
Nishikitani Yoshinori
Nomiyama Kazutosi
Tajima Yoshio
Nippon Oil Company Limited
Smith Edward J.
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