Taiyo Kagaku Co., Ltd.
Patent: US6683222 B2, 2004 ;
Location in patent: Page column 15-16 ;

Zhou, Ming; Zhao, Jinzhou; Wang, Xu; Jing, Jiaqiang; Zhou, Lizhi
Journal of Surfactants and Detergents, 2013 , vol. 16, # 5 p. 665 - 672