Oblon, Spivak, McClelland, Maier & Neustadt
Polysilethylenesiloxane
 A polysilethylenesiloxane having the following formula: ##STR1## wherein R.sup.1 and R.sup.2 are each a methyl group or a perfluoroalkyl group. The polysilethylenesiloxane has excellent resistance to acid, alkali, etc., and are curable to produce rubber products having excellent mechanical strength. 
Shin-Etsu Chemical Co., Ltd.
C C
C08G C08G
inventional inventional
Shinichi Kenichi Hirokazu Hirofumi Toshio Hitoshi
Sato Fukuda Yamada Kishita Takago Kinami