发明名称 |
STABILIZED CHOLINE SOLUTIONS AND METHODS FOR PREPARING THE SAME |
摘要 |
A method for the stabilization of an aqueous choline hydroxide solution includes optionally, adding a first stabilizer of a dithionite salt or a dialkylhydroxylamine to an aqueous solution containing reactants that will produce an aqueous choline hydroxide solution; and after the aqueous choline hydroxide solution is formed, adding a second stabilizer of a dithionite salt or a dialkylhydroxylamine to the aqueous choline hydroxide solution. The stabilized choline hydroxide solution may include choline hydroxide, water, and a dithionite salt and/or a dialkylhydroxylamine as a stabilizer present in an amount of about 100 ppm to about 2000 ppm by weight of the stabilized choline hydroxide solution. |
申请公布号 |
EP2802555(A1) |
申请公布日期 |
2014.11.19 |
申请号 |
EP20110793932 |
申请日期 |
2011.11.22 |
申请人 |
TAMINCO |
发明人 |
GERNON, MICHAEL, D.;MOONEN, KRISTOF |
分类号 |
C07C213/10;C01B17/66;C07C215/40;C07C239/10 |
主分类号 |
C07C213/10 |
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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