Maruzen Petrochemical Company, Limited

Maruzen Polymer Company, Ltd.

Keizo Kase

Eiji Takahashi

Sakae Kamiyama

Tsuyoshi Matsumoto

Masao Kawahara

Kunihiro Inamatsu

Tsutomu Idai

Kouji Mizokami

Kazumasa Ishii

The invention relates to a method for producing an ethylenic polymer composition, suitable for molding, at high catalytic efficiency. The ethylenic polymer composition produced has as a high melt tension when melted, and a high melt modulus (die swell ratio). The process comprises a three step polymerization of an olefin employing a transition metal catalyst, the catalyst being produced in a specific manner.

Method for producing an ethylenic polymer composition

A meritorious, commercially successful process for the recovery of a high-purity m-ethylphenol from ethylphenol mixtures containing m- and p-ethylphenols as the major components is disclosed. As it is well known in the art, the ethylphenol mixtures containing m- and p-ethylphenols as the major components can easily be prepared by ethylation of phenol with ethylene or ethanol by a simple operation. Accordingly, a process for the recovery of high-purity m-ethylphenol from ethylphenol mixtures containing m- and p-ethylphenols as the major components can give great influences in the commercial production of high-purity m-ethylphenol. m-Ethylphenol is a useful intermediate for the production of pharmaceuticals and agricultural chemicals. The process comprises simply contacting an ethylphenol mixture containing m- and p-ethylphenols as the major components with a specific crystalline aluminosilicate catalyst under heating.

Process for the recovery of high-purity m-ethylphenol

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Ichihara, Japan

Keizo Kase