Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1981-08-10
1983-01-04
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252429B, 526139, 526140, 526348, 5263486, 526916, C08F 464
Patent
active
043673228
ABSTRACT:
In a process for producing propylene copolymer containing about 80 to 99 mol % propylene and about 1 to 20 mol % ethylene and/or an .alpha.-olefin having 4 to 18 carbon atoms using a Ziegler-Natta catalyst, the improvement which comprises said Ziegler-Natta catalyst comprising:
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patent: 4165298 (1979-08-01), Shiga et al.
patent: 4182852 (1980-01-01), Shiga et al.
patent: 4246135 (1981-01-01), Shiga et al.
Kakugo Masahiro
Matsuyama Kiyoshi
Naito Yukio
Nishioka Masaharu
Nunose Akira
Levin Stanford M.
Sumitomo Chemical Company Ltd.
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