Inventor · disambiguated record
Yingcheng Li
Also filed as: LI YINGCHENG
15 granted patents·2 pending applications·1 citations·filing 2011–2022
84Inventor score
Top patents by PatentIndex Score
17 records- 0173US12037541B2Anionic-cationic-nonionic surfactant, production and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Jul 16, 2024·0 cites·7 claims
- 0266US11920083B2Surfactant composition, and manufacturing method and application of sameCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Mar 5, 2024·0 cites·9 claims
- 0366US11578253B2Surfactant composition, and manufacturing method and application of sameCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Feb 14, 2023·0 cites·10 claims
- 0466US2024352190A1Hydrocarbyl tetralin polyethersulfonate, preparation method therefor and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2022·Application pending·0 cites
- 0560US11193055B2Surfactant composition and preparation method therefor and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Dec 7, 2021·0 cites·13 claims
- 0659US11286416B2Surfactant composition and preparation method therefor and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Mar 29, 2022·0 cites·11 claims
- 0759US10526528B2Surfactant composition and preparation method therefor and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Jan 7, 2020·0 cites·14 claims
- 0859US10400156B2Anionic-cationic-nonionic surfactant, production and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Sep 3, 2019·0 cites·7 claims
- 0958US11186764B2Anionic-cationic-nonionic surfactant, production and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Nov 30, 2021·0 cites·7 claims
- 1057US2022403225A1Surfactant and Preparation Method ThereforCHINA PETROLEUM & CHEM CORP·Filed 2020·Application pending·0 cites
- 1156US10723936B2Surfactant composition, and manufacturing method and application of sameCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Jul 28, 2020·0 cites·6 claims
- 1256US8322930B2Washer and motor bearing system comprising the sameLI YINGCHENG·Filed 2011·Granted Dec 4, 2012·1 cites·5 claims
- 1352US12331246B2Polyacrylamide-based symmetric branched polymer surfactant and a process for preparing the same and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Jun 17, 2025·0 cites·12 claims
- 1452US12180419B2Alkylaniline polyether benzenesulfonate and process of producing sameCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Dec 31, 2024·0 cites·20 claims
- 1548US8376621B2Washer and motor bearing system comprising the sameZHONGSHAN BROAD OCEAN MOTOR·Filed 2011·Granted Feb 19, 2013·0 cites·7 claims
- 1647US12344795B2Biological and chemical composite blockage removing agent and preparation process and use thereofCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Jul 1, 2025·0 cites·8 claims
- 1737US8337088B2Shock absorption device for motor bearing systemZHANG SHEN·Filed 2011·Granted Dec 25, 2012·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →