PY

Pingai Yang

Overall (All Time): #3,253,838 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7964723 And practical process for exclusively producing (S)-9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-pyrido-[1,2,3,de][1,4]benzoxazine-6-carboxylic acid hemihydrate Zheqing Wang, Lijan Shu, Weifeng Guo, HangChang Zhu, Xiaofeng Shen +1 more 2011-06-21