Nissan Chemical Industries Limited

Tohoku University

Tokuji Miyashita

Takehiro Nagasawa

Akira Watanabe

There is provided a polygermane compound forming a film having a high refractive index and thermal stability, and containing a sulfur atom-containing organic group as a group bonded to a germanium atom. A polygermane compound comprising a sulfur atom-containing organic group as a group bonded to a germanium atom, in which the sulfur atom-containing organic group is a group of Formula [1]:-L-Z&#x2003;&#x2003;[1]where L is a single bond, a Calkylene group, or a Carylene group optionally substituted with a Calkyl group; and Z is a Csulfide group, a Ccyclic sulfide group optionally substituted with a Calkyl group, a Calkyl group containing a sulfide bond, or a Caralkyl group containing a sulfide bond, with a proviso that when L is a single bond, Z is not a Csulfide group.

Growing community of inventors

Sendai, Japan

Tokuji Miyashita