Inventor · disambiguated record
Zhifeng Bian
Also filed as: BIAN ZHIFENG
3 granted patents·19 citations·filing 2002–2019
58Inventor score
Top patents by PatentIndex Score
3 records- 0167US7078580B2Process for separating aromatics by extractive distillation and a composite solvent used thereinRES INST PETROLEUM PROCESSING·Filed 2002·Granted Jul 18, 2006·19 cites·6 claims
- 0248US11465953B2Method for purification of a solvent for separation of styrene by extractive distillation and for separation of styreneCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Oct 11, 2022·0 cites·23 claims
- 0344US11731922B2Method for separating aromatic hydrocarbon using extractive distillationCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Aug 22, 2023·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →