Oblon, Spivak, McClelland, Maier & Neustadt
Binder resin for toners
 A binder resin for high image quality toners used in copying machines and printers by electrophotography which are excellent in anti-offset property, fixing property, blocking resistance, and image characteristics obtained by controlling the molecular weight, blend ratio, acid value, and ratio of a high molecular weight polymer and a low molecular weight polymer of the binder resin to specific values. 
Mitsubishi Rayon Co., Ltd.
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inventional inventional inventional
Masahiro Hirokazu Motoshi
Itoh Ito Inagaki