发明名称 |
Use of copolymers, containing alkylene oxide units, as deposit inhibitor additives in the rinsing process of a dishwasher |
摘要 |
Use of copolymers comprising alkylene oxide units and comprising, in randomly or blockwise copolymerized form, (a) 50 to 93 mol % of acrylic acid and/or a water-soluble salt of acrylic acid, (b) 5 to 30 mol % of methacrylic acid and/or a water-soluble salt of methacrylic acid and (c) 2 to 20 mol % of at least one nonionic monomer of the formula I in which the variables have the following meanings: R1 is hydrogen or methyl; R2 is a chemical bond or unbranched or branched C1-C6-alkylene; R3 is identical or different unbranched or branched C2-C4-alkylene radicals; R4 is unbranched or branched C1-C6-alkyl; n is 3 to 50, as deposit-inhibiting additives in the rinsing cycle of a dishwasher.
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申请公布号 |
US7530360(B2) |
申请公布日期 |
2009.05.12 |
申请号 |
US20040577261 |
申请日期 |
2004.10.23 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
GUZMANN MARCUS;BECKER HEIKE |
分类号 |
B08B3/04;C11D3/37;C11D17/00 |
主分类号 |
B08B3/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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