Other

Mitsui Chemicals, Inc.

Yamamoto Chemicals, Inc.

Kenji Mizoue

Kenichi Sugimoto

Keisuke Takuma

Tsutami Misawa

Akira Ogiso

Taizo Nishimoto

Yojiro Kumagae

Hisashi Tsukahara

Toshihiro Masaoka

Kenichi Kato

Optical recording medium and dipyrromethene metal chelate compound for use therein

A novel optical recording medium having at least a recording layer and a reflective layer on a substrate is herein disclosed, wherein at least one dipyrromethene metal chelate compound represented by formula (1) is contained in the recording layer: ##STR1## wherein R.sub.1 and R.sub.9 are each independently an alkenyl group, an aryl group or a heteroaryl group; R.sub.2 to R.sub.8 are each independently a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl, alkoxy, alkenyl, acyl, alkoxycarbonyl, aralkyl, aryl or heteroaryl group having 20 or less carbon atoms; and M is a transition metal.

Optical recording medium and dipyrromethene metal chelate compound for

Growing community of inventors

Kanagawa, Japan

Kenji Mizoue