参考文献

GALAXY SURFACTANTS LTD.; KOSHTI, Nirmal; RATNAPARKHE, Shraddha, Kiran; MALI, Devyani, Ashok; SAWANT, Bhagyesh; VAIDYA, Pooja, Dinkar Patent: WO2013/76697 A2, 2013 ; Location in patent: Page/Page column 18-19 ;