Inventor · disambiguated record

Weidong Duan

Also filed as: DUAN WEIDONG

2 granted patents·3 citations·filing 2005–2020

38Inventor score

Technology areasC01P C12H

Files withDUAN WEIDONG1 HEBEI CAIKE CHEMICAL CO LTD1

Top patents by PatentIndex Score

2 records

0163US8697169B2Methods and compositions for fining beveragesDUAN WEIDONG·Filed 2005·Granted Apr 15, 2014·3 cites·50 claims
0242US11512006B2Method for simultaneously preparing iron oxide red pigment and aromatic amineHEBEI CAIKE CHEMICAL CO LTD·Filed 2020·Granted Nov 29, 2022·0 cites·6 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →