参考文献

Tokyo Ohka Kogyo Co., Ltd.; Daicel Corporation; SHIOTA, Dai; KUROKO, Mayumi; NODA, Kunihiro; TADOKORO, Yoshinori; AKAI, Yasuyuki; TAKAI, Hideyuki Patent: EP2725011 A1, 2014 ; Location in patent: Paragraph 0116 ;