参考文献:
SK Chemicals Co.,Ltd. RYU, Je Ho KIM, Shin Ae RYU, Keun Ho KIM, Jae Sun KIM, Nam Ho HAN, Hye Young KIM, Yong Hyuk YOUN, Won-No LEE, Yoon-Jung SON, Hyun Joo LEE, Bong-yong PARK, Sung Hoon LEE, Ju Young LEE, Hyun Jung JUNG, Hoe Chul SHIN, Young Ah LEE, Jung A LEE, Bo Ram SA, Joon Ho Patent: WO/397 A, Location in patent: Page/Page column 9