- 专利标题： Dehydration catalyst for preparing N-substituted maleimide, preparation method thereof, and method of preparing N-substituted maleimide
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申请号： US16091091申请日： 2017-08-01
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公开(公告)号： US10464050B2公开(公告)日： 2019-11-05
- 发明人: Ji Yeon Kim , Jun Seon Choi , Joo Young Cheon , Wang Rae Joe , Kyung Soo Kim
- 申请人： LG CHEM, LTD.
- 申请人地址： KR Seoul
- 专利权人： LG CHEM, LTD.
- 当前专利权人： LG CHEM, LTD.
- 当前专利权人地址： KR Seoul
- 优先权： KR10-2016-0107851 20160824; KR10-2017-0097281 20170731
- 国际申请： PCT/KR2017/008296 WO 20170801
- 国际公布： WO2018/038415 WO 20180301
- 主分类号： B01J27/16
- IPC分类号： B01J27/16 ; B01J37/03 ; C07D207/448 ; B01J37/04 ; B01J37/08 ; B01J37/06
摘要：
A dehydration catalyst for preparing N-substituted maleimide, which may minimize formation of by-products, is reusable because its activity is not reduced significantly even after being reused several times, and may maintain its reaction activity for a long time, a preparation method thereof, and a method of preparing N-substituted maleimide, are provided.
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