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1.发明授权Water treatment/cleaning composition comprising polyaspartic acid or derivatives thereof and phosphonic acid 失效包含聚天冬氨酸或其衍生物和膦酸的水处理/清洁组合物
公开(公告)号：US5523023A
公开(公告)日：1996-06-04
申请号：US319994
申请日：1994-10-07
IPC分类号： C02F5/12 , C02F5/14 , C09K8/528 , C09K8/54 , C10G21/20 , C10G21/24 , C11D3/36 , C11D3/37 , C23F11/10 , C23F11/167 , C23F11/173 , C11D3/28 , C11D3/33
摘要： An improved composition for water treatment and for alkaline cleaning contains polyaspartic acid or a derivative thereof and a phosphonic acid.
摘要翻译： 用于水处理和碱性清洁的改进的组合物包含聚天冬氨酸或其衍生物和膦酸。
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2.发明授权Composition for water treatment containing polyaspartic acidora derivative thereof and a polcarboxylic acid and methods of using the composition 失效含有聚天冬氨酸或其衍生物和多元羧酸的水处理组合物和使用该组合物的方法
公开(公告)号：US5525257A
公开(公告)日：1996-06-11
申请号：US320004
申请日：1994-10-07
IPC分类号： C02F5/10 , C02F5/12 , C08L33/00 , C08L77/00 , C08L77/04 , C09K8/04 , C09K8/528 , C09K8/54 , C09K15/22 , C23F11/173 , C23F14/02 , C02F5/00
CPC分类号： C23F11/173 , C02F5/10 , C02F5/12 , C09K8/528 , C09K8/54
摘要： An improved composition for water treatment and for alkaline cleaning contains polyaspartic acid or a derivative thereof and a polycarboxylic acid.
摘要翻译： 用于水处理和碱性清洁的改进的组合物包含聚天冬氨酸或其衍生物和多元羧酸。
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公开(公告)号：US06986852B2
公开(公告)日：2006-01-17
申请号：US09935988
申请日：2001-08-23
申请人： Hermann Sicius , Thomas Sildatke , Thomas Menzel , Wolfgang Wambach , Winfried Joentgen , Thomas Klausa , Thomas Klein
发明人： Hermann Sicius , Thomas Sildatke , Thomas Menzel , Wolfgang Wambach , Winfried Joentgen , Thomas Klausa , Thomas Klein
CPC分类号： C02F5/12 , C02F2103/023 , C02F2103/42 , C02F2305/14 , C09K8/528
摘要： The invention relates to a novel conditioning agent based on polysuccinimide, its hydrolysates or its partial hydrolysates, for preventing deposits in standing or flowing water systems.
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4.发明授权Process for eliminating 1-carboxy-1-phosphonocyclopentan-3-one from, or reducing its content in, technical 2-phosphonobutane-1,2,4-tricarboxylic acid using bleaching liquor 失效用漂白液除去1-羧基-1-磷杂环戊烯-3-酮的方法或减少其中含有的技术性2-膦酰基-1,2,4-三羧酸的方法
公开(公告)号：US5091562A
公开(公告)日：1992-02-25
申请号：US676051
申请日：1991-03-27
IPC分类号： C07F9/38
CPC分类号： C07F9/3808
摘要： The present invention relates to a process for eliminating 1-phosphono-1-carboxycyclopentan-3-one (ketone) from, or reducing its content in, an aqueous solution of 2-phosphonobutane-1,2,4-tricarboxylic acid, characterized in that the solution is adjusted to a pH value of > 6 using an aqueous inorganic base, particularly sodium hydroxide, and aqueous bleaching liquor is subsequently added in a molar ratio of NaOCl to ketone of >5:1.
摘要翻译： 本发明涉及从2-膦酰基丁烷-1,2,4-三羧酸的水溶液中除去1-膦酰基-1-羧基环戊烷-3-酮（酮）或降低其含量的方法，其特征在于 使用无机碱水溶液，特别是氢氧化钠将溶液调节至pH值> 6，随后以Na 2 Cl与酮的摩尔比> 5:1加入水性漂白液。
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