Inventor · disambiguated record
Weiyu Duan
Also filed as: DUAN WEIYU
2 granted patents·2 pending applications·0 citations·filing 2020–2022
22Inventor score
Files withCHINA PETROLEUM & CHEM CORP4
Top patents by PatentIndex Score
4 records- 0158US12391888B2Solid particle bed, fixed bed, and oil hydrogenation methodCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Aug 19, 2025·0 cites·27 claims
- 0254US2025319460A1Hydrogenation catalyst and preparation method therefor and use thereof, and hydrogenation reaction method for oil productsCHINA PETROLEUM & CHEM CORP·Filed 2022·Application pending·0 cites
- 0350US2023347322A1Adsorbent, Liquid Phase Hydrogenation Catalyst Composition, Catalyst Bed and Use ThereofCHINA PETROLEUM & CHEM CORP·Filed 2021·Application pending·0 cites
- 0448US12343709B2Hydrogenation catalyst, preparation process thereof and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Jul 1, 2025·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Weiyu Duan 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 →