Chugai Seiyaku Kabushiki Kaisha

Shin-ichi Kaiho

Shun-ichi Hata

Koji Mizuno

Isao Matsunaga

Minoru Shindo

Yasushi Murakami

Yasuo Koishihara

Tamotsu Yamazaki

Masuo Koizumi

Eiichi Hoshino

Shigeru Takanashi

Masamitsu Honda

Morio Kakimoto

Yasuko Ozaki

Mitsura Tanemura

A method of culturing a protein-producing cell, said method comprising co-culturing one transformed cell that can constitutively produce said protein with the parent cell of said transformed cell.

Method of culturing cells

A treating agent whose effective ingredient is an anthranyl derivative of the formula: ##STR1## (wherein R.sub.1 and R.sub.2 may be the same or different and represent a hydrogen atom, a hydroxyl group, a lower alkoxy group, preferably C.sub.1 -C.sub.3 alkoxy group, a lower alkyl group, preferably C.sub.1 -C.sub.3 alkyl group, a nitro group or a halogen atom) is disclosed.

Pharmaceutical composition for treating transplanted tumor cells

An anti-peptic ulcer agent which contains as an active ingredient aminobenzoic acid compounds of the formula ##STR1## (wherein R.sub.1, R.sub.2, and R.sub.3 which may be the same or different represent a hydrogen atom, halogen atom, lower alkyl group or lower alkoxy group but they do not represent a hydrogen atom at the same time) or pharmaceutically acceptable salts thereof and a method of preventing or treating a human in need of said prevention or treatment an effective amount of said active ingredient are disclosed.

Anti-peptic ulcer agent

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Chiba, Japan

Shin-ichi Kaiho