- 专利标题： Method for preparing collagen aggregate and collagen from chromium-containing tanned leather wastes by combined acid-enzyme controlled degradation technology
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申请号： US16290859申请日： 2019-03-02
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公开(公告)号： US10919952B2公开(公告)日： 2021-02-16
- 发明人: Xuechuan Wang , Mengdi Hou , Xinhua Liu , Chengyuan Liang , Ouyang Yue , Manhui Zheng , Xing Zhu , Qingxin Han , Ji Li , Huijie Zhang , Taotao Qiang
- 申请人： Xuechuan Wang , Mengdi Hou , Xinhua Liu , Chengyuan Liang , Ouyang Yue , Manhui Zheng , Xing Zhu , Qingxin Han , Ji Li , Huijie Zhang , Taotao Qiang
- 申请人地址： CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an
- 专利权人： Xuechuan Wang,Mengdi Hou,Xinhua Liu,Chengyuan Liang,Ouyang Yue,Manhui Zheng,Xing Zhu,Qingxin Han,Ji Li,Huijie Zhang,Taotao Qiang
- 当前专利权人： Xuechuan Wang,Mengdi Hou,Xinhua Liu,Chengyuan Liang,Ouyang Yue,Manhui Zheng,Xing Zhu,Qingxin Han,Ji Li,Huijie Zhang,Taotao Qiang
- 当前专利权人地址： CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an
- 优先权： CN201810310443.9 20180409
- 主分类号： C07K14/78
- IPC分类号： C07K14/78
摘要：
A method for preparing a collagen from a chromium-containing tanned leather waste is disclosed. The method includes acid dechromation, obtaining a collagen aggregate, and converting the collagen aggregate to the collagen. The method also includes a reaction in a supercritical carbon dioxide reactor.