YZ

Yan Zhang

UP Upm-Kymmene: 1 patents #13 of 39Top 35%
ZC Zhejiang Quhua Fluor-Chemistry Co.: 1 patents #1 of 7Top 15%
📍 Tianjin, OH: #1 of 1 inventorsTop 100%
Overall (2016): #85,303 of 481,213Top 20%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9446993 Method of preparing a slow release fertilizer Zhiyong Li 2016-09-20
9346724 Method for preparing 2,3,3,3-tetrafluoropropene Jun LEI, Bo Yang, Yang Zhao, Huadong Zhou, Qiang Zhou +1 more 2016-05-24