Birch, Stewart, Kolasch & Birch, LLP
Polycarbonate resin having ultraviolet absorbing capability, resin composition and optical material
A polycarbonate resin having at least one terminal group which is represented by formula (1), and a resin composition and an optical material comprising the polycarbonate resin are disclosed. In the formula, R1-R9 each independently represent a hydrogen atom, halogen atom or an alkyl group. X1 represents a direct bond or alkylene group.
Mitsubishi Gas Chemical Company, Inc.
G C
G02B C08G
inventional inventional
Noriyuki Jun Shu Toshiaki
Kato Hagiwara Yoshida Yamada