Inventor · disambiguated record
Dongke Zhao
Also filed as: ZHAO DONGKE
4 granted patents·0 citations·filing 2014–2019
53Inventor score
Top patents by PatentIndex Score
4 records- 0153US12226761B2Catalyst for preparing phosgene and preparation method therefor, and method for preparation of phosgene and comprehensive utilization of energy thereofWANHUA CHEMICAL NINGBO CO LTD·Filed 2019·Granted Feb 18, 2025·0 cites·18 claims
- 0253US11000837B2Catalyst for preparing chlorine gas by hydrogen chloride oxidation, and preparation method and application thereofWANHUA CHEMICAL GROUP CO LTD·Filed 2016·Granted May 11, 2021·0 cites·20 claims
- 0347US9840462B2Solvent refining method for isocyanate prepared by phosgene method and devices used in sameWANHUA CHEMICAL GROUP CO LTD·Filed 2014·Granted Dec 12, 2017·0 cites·22 claims
- 0435US10046289B2Method for replacement of phosgene synthesis column catalystWANHUA CHEMICAL GROUP CO LTD·Filed 2015·Granted Aug 14, 2018·0 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Dongke Zhao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →