Oblon, Fisher, Spivak, McClelland & Maier
Synthetic resin composition
 A synthetic resin composition comprises a resin and a sintering granular clay mineral prepared by coating core particles with fine clay mineral and sintered the coated mineral particles. 
Onomichi Kumika K.K.
C
C08K
inventional
Yasuo Michitomo Issei Hideo
Morinibu Takeyasu Ueda Ito