专利名称：Ethylene polymer compositions
发明人：Ishikawa, Narumi,Takeuchi, Hidesuke,Kamiya,
Tatsuyuki,Kambe, Shigemitsu
申请号：EP90310635.9申请日：19900928公开号：EP0423962A2公开日：19910424
摘要：An ethylene polymer composition suitable as gas pipe material. The ethylenepolymer composition comprises two or more kinds of ethylene polymers different inaverage molecular weight, characterized in that:
申请人：NIPPON PETROCHEMICALS COMPANY, LIMITED
地址：3-1, Uchisaiwaicho 1-chome Chiyoda-ku Tokyo JP
国籍：JP
代理机构：Cropp, John Anthony David
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