公开(公告)号：US11008379B1

公开(公告)日：2021-05-18

申请号：US16356094

申请日：2019-03-18

申请人： Qi Wang ,  Dae Kyu Chang

发明人： Qi Wang ,  Dae Kyu Chang

IPC分类号： C07K14/78 ,  C07K1/14 ,  C07K1/34 ,  B01D29/56 ,  B01D37/00

摘要： A method of preparing a purified collagen solution from porcine skin may include receiving and inspecting the porcine skin; treating the porcine skin with a sodium hydroxide treatment, resulting in a sodium hydroxide processed skin; treating the sodium hydroxide processed skin with an ethanol treatment, resulting in ethanol treated processed skin; producing liquid collagen from the ethanol treated processed skin; clarifying the liquid collagen; and concentrating the clarified liquid collagen.