OS

Ou Sha

CC China Petroleum & Chemical: 1 patents #89 of 397Top 25%
Overall (2025): #260,522 of 469,880Top 60%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12344795 Biological and chemical composite blockage removing agent and preparation process and use thereof Yong Meng, Yingcheng Li, Weidong Zhang, Xinning Bao, Jun Jin +1 more 2025-07-01