Inventor · disambiguated record
Helong Li
Also filed as: LI HELONG
2 granted patents·33 citations·filing 2000–2001
62Inventor score
Top patents by PatentIndex Score
2 records- 0185US6822127B2Selective hydrogenation catalyst for selectively hydrogenating of unsaturated olefin, process for preparing the same and its useCHINA PETROLEUM & CHEMICAL·Filed 2001·Granted Nov 23, 2004·22 cites·19 claims
- 0264US6459008B1Selective hydrogenation catalyst system and process for preparing the same and its useCHINA PETROCHEMICAL CORP·Filed 2000·Granted Oct 1, 2002·11 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →