Millen, White, Zelano & Branigan
Polymer having a narrow dispersion of molecular weight and a manufacturing process thereof
 A polystyrene type monodispersion polymer having at least a monomer unit represented by the following general formula (I), and having a molecular weight which lies in the range 500-500,000 and manufacturing process thereof are disclosed; ##STR1## where R is a hydrogen atom or methyl group, and the R in the molecule may be identical or different. 
Shin-Etsu Chemical Co., Ltd.
C
C08F
inventional
Fujio Osamu Motoyuki Yoshinobu Akira
Yagihashi Watanabe Yamada Isono Yamamoto