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公开(公告)号：EP0313157B1
公开(公告)日：1992-06-03
申请号：EP88202304.7
申请日：1988-10-14
申请人： CALGON CORPORATION
CPC分类号： C02F5/105
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2.发明公开Process for controlling calcium oxalate scale over a wide pH range 失效在einem ausgedehnten pH-Bereich的Verfahren zum Kontrollieren von Kalziumoxalatablagerungen。
公开(公告)号：EP0313157A2
公开(公告)日：1989-04-26
申请号：EP88202304.7
申请日：1988-10-14
申请人： CALGON CORPORATION
CPC分类号： C02F5/105
摘要： This invention is directed to the use of an improved composition for inhibiting the precipitation of calcium oxalate in aqueous systems. The composition contains: (a) a water soluble phosphate; and (b) a water soluble polycarboxylate having a weight average molecular weight of about 7,000 to about 9,000; wherein the ratio of component (a) to component (b) ranges from 10:1 to 1:10.
摘要翻译： 本发明涉及用于抑制水性体系中草酸钙沉淀的改进组合物的用途。 组合物含有：（a）水溶性磷酸盐; 和（b）重均分子量约为7,000至约9000的水溶性聚羧酸酯; 其中组分（a）与组分（b）的比例为10:1至1:10。
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公开(公告)号：EP0313157A3
公开(公告)日：1989-09-27
申请号：EP88202304.7
申请日：1988-10-14
申请人： CALGON CORPORATION
CPC分类号： C02F5/105
摘要： This invention is directed to the use of an improved composition for inhibiting the precipitation of calcium oxalate in aqueous systems. The composition contains: (a) a water soluble phosphate; and (b) a water soluble polycarboxylate having a weight average molecular weight of about 7,000 to about 9,000; wherein the ratio of component (a) to component (b) ranges from 10:1 to 1:10.
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