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公开(公告)号:US20180244585A1
公开(公告)日:2018-08-30
申请号:US15903565
申请日:2018-02-23
CPC分类号: C04B41/5012 , C04B41/009 , C04B41/4535 , C04B41/501 , C04B41/65 , C04B2103/0001 , C04B2111/72 , C12N9/88 , C12P3/00 , C12Y402/01001 , C04B28/02 , C04B41/455 , C04B2103/001
摘要: An aqueous solution of carbonic anhydrase and calcium chloride is contacted with a cementitious surface defining at least one opening or fissure in the presence of ambient carbon dioxide to thereby cause the calcium chloride and carbon dioxide to react, whereby calcium carbonate precipitate from the solution and seals the opening or fissure.
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公开(公告)号:US10647617B2
公开(公告)日:2020-05-12
申请号:US15903565
申请日:2018-02-23
IPC分类号: C04B41/50 , C04B41/65 , C04B41/45 , C12P3/00 , C12N9/88 , C04B41/00 , C04B111/72 , C04B103/00
摘要: An aqueous solution of carbonic anhydrase and calcium chloride is contacted with a cementitious surface defining at least one opening or fissure in the presence of ambient carbon dioxide to thereby cause the calcium chloride and carbon dioxide to react, whereby calcium carbonate precipitate from the solution and seals the opening or fissure.
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