Inventor
ZHAO DONGKE
CN4 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO DONGKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WANHUA CHEMICAL GROUP CO LTD
3 patentsUS11000837B2May 11, 2021
Catalyst for preparing chlorine gas by hydrogen chloride oxidation, and preparation method and application thereof
WANHUA CHEMICAL GROUP CO LTD0 citations58
US9840462B2Dec 12, 2017
Solvent refining method for isocyanate prepared by phosgene method and devices used in same
WANHUA CHEMICAL GROUP CO LTD0 citations47
US10046289B2Aug 14, 2018
Method for replacement of phosgene synthesis column catalyst
WANHUA CHEMICAL GROUP CO LTD0 citations43