Mengxian Ding

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Jilin Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of polyimide
- Patent number 10,414,868
- Issue date Sep 17, 2019
- CHANGCHUN HIPOLYKING CO., LTD.
- Xin Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of 3,3',4,4'-biphenyltetracarboxylic ac...
- Patent number 5,081,281
- Issue date Jan 14, 1992
- Changchun Institute of Applied Chemistry
- Mengxian Ding
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF POLYIMIDE
- Publication number 20150126704
- Publication date May 7, 2015
- Changchun Hipolyking Co., LTD
- Xin Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYTHIOETHERIMIDES AND METHOD FOR PRODUCING THEREOF
- Publication number 20110065891
- Publication date Mar 17, 2011
- CHANGCHUN HIPOLYKING CO.,LTD.
- Xingzhong Fang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for preparing dibasic salts of bisphenols
- Publication number 20050272957
- Publication date Dec 8, 2005
- CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY
- Changlu Gao
- C07 - ORGANIC CHEMISTRY