Inventor
RYOO SUN-JONG
KR3 patents
Patents
3 patentsUS6875822B2Apr 5, 2005
Process for preparing tritylated polystyrene resin
BEADTECH INC2 citations58
US6369169B1Apr 9, 2002
Modified polystyrene spherical, resin and process for decontaminating waste water by using the same
BEADTECH INC5 citations56
US7442745B2Oct 28, 2008
Aminomethyl polystyrene resin and preparation process for the same
BEADTECH INC1 citations47