Inventor · disambiguated record
Changhua Zeng
Also filed as: ZENG CHANGHUA
2 granted patents·1 citations·filing 2012–2013
30Inventor score
Top patents by PatentIndex Score
2 records- 0158US9233897B2HFO-1234ze and HFC-245fa co-production preparation processSINOCHEM MODERN ENVIRONMENTAL PROT CHEMICALS XI AN CO LTD·Filed 2013·Granted Jan 12, 2016·1 cites·24 claims
- 0244US9115042B2Method for preparing 2,3,3,3-tetrafluoropropeneYANG GANG·Filed 2012·Granted Aug 25, 2015·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →