YH

Yunguang Han

PL Petrochina Company Limited: 2 patents #138 of 890Top 20%
Overall (All Time): #1,846,807 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11352572 Low viscosity poly-a-olefin lubricating oil and synthesis method thereof Hongling Chu, Sihan Wang, Kecun MA, Xianming Xu, Libo Wang +17 more 2022-06-07
7786336 Catalyst composition for ethylene oligomerization and the use thereof Baojun Zhang, Tao Jiang, Jianzhong Li, Lihua Xing, Yingnan Ning +12 more 2010-08-31