Beijing
China
3
2023-11-30
The entities that hold a legal rights for patent applications filed by inventor Yang Keyong:
Keyong Yang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD AND SYSTEM FOR PREPARING HYDROGEN PEROXIDE
#2 | 2015-10-01Process and apparatus for co-producing cyclohexanol and alkanol
#3 | 2011-03-17Process for producing dimethyl ether from methanol
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