Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1985-12-30
1988-08-02
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526119, 526137, 526141, 526142, 5263481, 5263485, 5263486, 526904, 526916, C08F21006, C08F21008
Patent
active
047614625
ABSTRACT:
A packaging transparent propylene copolymer film stretched in at least one direction, which consists of a copolymer of propylene and an .alpha.-olefin having 4 or more carbon atoms or a copolymer of propylene, an .alpha.-olefin having 4 or more carbon atoms and ethylene. The copolymer satisfies the following conditions;
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Kitamura Shuji
Nakae Kiyohiko
Ogawa Tadatoshi
Sadatoshi Hajime
Yoshida Teruaki
Smith Edward J.
Sumitomo Chemical Company Limited
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