"Method for preparing nanoparticles containing iron oxide and nanoparticles containing iron oxide thereby"
Jang Eue Soon, Chang Ki Yuk, Yi Gyu Chul, Hong Kwan Soo, Ahn Che Hong, Choi Bong Keun, Oh Jung Suek, Kim Hyo Teug, Kong Kyung Tae , Korea Patent # 10-2007-0129641
, Jan. 2015-2007