Foley & Lardner, Schwartz, Jeffery, Schwaab, Mack, Blumenthal & Evans
Block-graft copolymer
 Disclosed are a block-graft copolymer comprising a polymer block having a repeating unit represented by General Formula (I): ##STR1## wherein A is a side chain and represents an organopolisiloxane chain, a polyacrylate chain, a polymethacrylate chain, polydiene chain, etc. and a process for producing the same. This block-graft copolymer can have various performances such as oxygen enrichment performance, biocompatibility, depending on the kind of side chains. 
Shin-Etsu Chemical Co., Ltd.
C C C
C08G C08G C08F
inventional inventional inventional
Osamu Teruo Koichi Mikio
Watanabe Fujimoto Ito Shiono