Inventor
DANG ZHENG
US6 patents
⚠️ This page may combine multiple inventors who share the name “DANG ZHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEMIRA OYJ
4 patentsUS11208766B2Dec 28, 2021
Surface treatment composition, its use and a method for producing paper, board or the like
KEMIRA OYJ2 citations69
US11453979B2Sep 27, 2022
Paper strength improving composition, manufacture thereof and use in paper making
KEMIRA OYJ1 citations60
US11834792B2Dec 5, 2023
Paper strength improvement using metal chelates and synthetic cationic polymers
KEMIRA OYJ0 citations59
US11535985B2Dec 27, 2022
Method for manufacture of paper or board and paper or board obtained by the method
KEMIRA OYJ0 citations44