CN211487698U - 一种提高nmp合成反应稳定性的混合器 - Google Patents
一种提高nmp合成反应稳定性的混合器 Download PDFInfo
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- CN211487698U CN211487698U CN201922116153.3U CN201922116153U CN211487698U CN 211487698 U CN211487698 U CN 211487698U CN 201922116153 U CN201922116153 U CN 201922116153U CN 211487698 U CN211487698 U CN 211487698U
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Mixer for Improving the Stability of NMP Synthesis Reaction Effective date of registration: 20221117 Granted publication date: 20200915 Pledgee: Chongqing Changshou Sub branch of China Construction Bank Corp. Pledgor: Chongqing Zhong run Chemical Co.,Ltd. Registration number: Y2022980022267 |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Ding Longqi Inventor after: Liu Ji Inventor before: Ding Longqi Inventor before: Liu Yuetong Inventor before: Liu Ji |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 401221 room 5-2, No.20, Qixin Avenue, Yanjia street, Changshou District, Chongqing Patentee after: Chongqing Zhongrun New Materials Co.,Ltd. Address before: 401221 room 5-2, No.20, Qixin Avenue, Yanjia street, Changshou District, Chongqing Patentee before: Chongqing Zhong run Chemical Co.,Ltd. |