Mitsui Petrochemical Industries, Ltd.

Yoshino Kogyosho Co., Ltd.

Japan Atomic Energy Research Institute

Masanobu Ishiyama

Mamoru Kioka

Akinori Toyota

Masao Nakano

Hideshi Kawachi

Fumio Yoshii

Keizo Makuuchi

Mikio Nakagawa

Hideo Kushida

Masaya Yamada

Yasuo Futami

Ryoji Sugawara

Takahiro Kurihara

Sei Nakajima

Gen Miyamoto

Norio Kashiwa

Masaki Kohyama

A squeezable tubular container (a) which is formed from a composition containing a polyethylene having a density of 0.900 to 0.975 g/cm.sup.3 and an ethylene/.alpha.-olefin copolymer having a density smaller than 0.900 g/cm.sup.3, (b) has a crosslinking caused under irradiation with electron beam, and (c) is sterilizable at a high temperature or is heat-sealable or ultrasonically sealable; and a process for the production thereof.

Squeezable tubular container and process for the production thereof

A process for producing polypropylene, which comprises preliminarily polymerizing 3-methylbutene-1 in the presence of a catalyst system formed from

Process for producing polypropylene and stretched polypropylene film

A process for producing polypropylene, which comprises preliminarily polymerizing 3-methylbuten3-1 in the presence of a catalyst system formed from

A film-forming propylene copolymer composed of a major amount of propylene and a minor amount of ethylene, characterized by having

Film-forming propylene copolymer, film thereof and process for

Growing community of inventors

Ichihara, Japan

Masanobu Ishiyama