Beijing
China
3
2015-07-30
The entities that hold a legal rights for patent applications filed by inventor Liu Chaowei:
Chaowei Liu from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Phosphorus-containing ultrastable Y-type rare earth molecular sieve and preparation method therefor
#2 | 2015-06-25Magnesium modified ultra-stable rare earth Y-type molecular sieve and preparation method therefor
#3 | 2015-06-18Catalytic cracking catalyst for high-efficiency conversion of heavy oil and preparation method thereof
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