Gansu
China
3
2011-12-22
The entities that hold a legal rights for patent applications filed by inventor CHEN JING:
JING CHEN from Gansu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for preparing polyoxymethylene dimethyl ethers by acetalation reaction of formaldehyde with methanol
#2 | 2011-11-24Method for synthesizing polyoxymethylene dimethyl ethers catalyzed by an ionic liquid
#3 | 2007-06-14Method of synthesizing trioxymethylene from formaldehyde by the catalytic action of an ionic liquid
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