专利检索 ap:("Yuwen ZHANG") AND inv:"Yuwen ZHANG" 第 1 页

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发明申请
WATERPROOFING AGENT FOR CONCRETE 审中-公开

公开(公告)号：US20200223759A1

公开(公告)日：2020-07-16

申请号：US16830228

申请日：2020-03-25

申请人： Yuwen ZHANG

发明人： Yuwen ZHANG

IPC分类号： C04B40/00 , C04B22/14 , C04B22/04 , C04B24/04 , C04B24/12

摘要： A waterproofing agent for concrete includes: 1-60 parts by weight of ferric ions; 1-60 parts by weight of carboxylate ions; 1-40 parts by weight of 8-hydroxyquinoline; and 1-50 parts by weight of pyrosulfate ions.