Patents by Inventor Yasuta Kawame

Yasuta Kawame has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4066811
    Abstract: There are disclosed films for stretch wrapping which comprise an olefin polymer, preferably a specific ethylene-vinyl acetate copolymer (referred to as "EVA copolymer" hereinafter) and specific polyalkylene ether polyols and non-ionic surfactants of fatty acid and polyhydric alcohol ester derivatives and which have suitable orientation expressed by heat shrinkage and excellent elastic recovery, by which excellent mechanical strength, wrapping finish, optical characteristics and preservability of the goods, especially fresh foods are attained. Method for producing said films is also disclosed. These films are suitable also for wrapping by automatic wrapping machines.
    Type: Grant
    Filed: April 8, 1975
    Date of Patent: January 3, 1978
    Assignee: Asahi-Dow Limited
    Inventors: Hirokuni Naito, Isao Yoshimura, Norito Takao, Yasuta Kawame