Wenderoth, Lind & Ponack
Vinylidene fluoride copolymer film
 A transparent film of a vinylidene fluoride copolymer, comprising a dry film of a vinylidene fluoride copolymer having a parallel light transmittance of 85% or higher at a film thickness of 30 microns. The transparent film is obtained by forming a mixture of a vinylidene fluoride copolymer having a specifically high molecular weight with a solvent into a film, preferably by casting, and evaporating off the solvent. 
Kureha Kagaku Kogyo Kabushiki Kaisha
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C08J C08L Y10T Y10T Y10T C08J Y10T
inventional inventional additional additional additional additional additional
Noriyuki Naohiro Teruo
Arakawa Murayama Sakagami