发明名称 |
Method for inhibiting polymerization of (meth)acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor |
摘要 |
This invention relates to a method for inhibiting polymerization of (meth)acrylic acid and its esters using a polymerization inhibitor which comprises at least one reduced halide-content azine dye-based compound. A process for producing reduced halide-content azine dye-based compounds using ion exchange resin technology is also provided.
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申请公布号 |
US7220879(B2) |
申请公布日期 |
2007.05.22 |
申请号 |
US20050229916 |
申请日期 |
2005.09.19 |
申请人 |
ROHM AND HAAS COMPANY |
发明人 |
BASS STEPHEN;MASON ROBERT MICHAEL;MENDOZA JOY LYNDON;SKOOG STEVEN JOHN;VANDERSALL MARK T. |
分类号 |
C07C69/52;C07C57/02 |
主分类号 |
C07C69/52 |
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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