YL

Yan Li

CC China Petroleum & Chemical: 1 patents #89 of 397Top 25%
📍 Beijing, MD: #18 of 53 inventorsTop 35%
Overall (2025): #42,279 of 469,880Top 9%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12427445 Two-component foam inhibitor and preparation method, and method for reducing foaming in production of urea humate Liang Yuan, Bing Zhao, Jiu Xu, Shui-qin Zhang, Meng Xu +2 more 2025-09-30
12404292 Amino-imine metal complex and preparation method therefor and application thereof Rong GAO, Jingjing LAI, Zifang Guo, Qingqiang Gou, Junling Zhou +8 more 2025-09-02
12312447 Preparation method for polysaccharide spherical gel resin Chengyu Zhang, Qinhua Zhou 2025-05-27