Terumo Kabushiki Kaisha

Tooru Takahashi

Takeshi Shimomura

Toshiji Ichikawa

Juuro Aoyagi

Ken Tatebe

Yoshimitsu Asada

A container made of synthetic resin and provided at one portion thereof with at least one tightly closable opening, which container has on a surface thereof a continuous coating having a gas barrier characteristic comprising low permeability to oxygen and carbon dioxide by the plasma treatment reaction of a mixture of a silicon compound having the general formula I with a silicon compound having the general formula II: ##STR1## wherein m=1-5, n=1-5, R.sup.1 and R.sup.2 are C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy or phenyl or OH.

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Fujinomiya, Japan

Tooru Takahashi