发明授权
- 专利标题： Scale-reducing additive for automatic dishwashing systems
- 专利标题（中）： 自动洗碗系统的减垢添加剂
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申请号： US12932860申请日： 2011-03-08
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公开(公告)号： US08283301B2公开(公告)日： 2012-10-09
- 发明人: Joseph Manna , Jan Edward Shulman
- 申请人： Joseph Manna , Jan Edward Shulman
- 申请人地址： US PA Philadelphia
- 专利权人： Rohm and Haas Company
- 当前专利权人： Rohm and Haas Company
- 当前专利权人地址： US PA Philadelphia
- 代理商 Marcella M. Bodner
- 主分类号： C11D3/37
- IPC分类号： C11D3/37 ; C11D3/30
摘要：
An automatic dishwashing detergent composition having at least two components. The first component is a polymer containing polymerized residues of at least one C3-C6 carboxylic acid monomer and a lactone end group. The second component is a biodegradable builder selected from among nitrilotriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, glycine-N,N-diacetic acid, methylglycine-N,N-diacetic acid, 2-hydroxyethyliminodiacetic acid, glutamic acid-N,N-diacetic acid, 3-hydroxy-2,2′-iminodisuccinate, S,S-ethylenediaminedisuccinate aspartic acid-diacetic acid, N,N′-ethylenediamine disuccinic acid, iminodisuccinic acid, aspartic acid, aspartic acid-N,N-diacetate, beta-alaninediacetic acid, polyaspartic acid, salts thereof and combinations thereof.
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