Greenblum & Bernstein, P.L.C.
Optical lens
An optical lens is obtained by injection-molding a polyester resin containing a diol unit containing from 40 to 99% by mol of a unit derived from ethylene glycol and from 1 to 60% by mol of a unit derived from a diol having from 3 to 16 carbon atoms, and a dicarboxylic acid unit containing 50% by mol or more of a unit derived from a naphthalenedicarboxylic acid.
Mitsubishi Gas Chemical Company, Inc.
C Y G C
C08G Y10S G02B C08G
inventional additional inventional inventional
Nobuyuki Takeshi
Kato Hirokane