Inventor · disambiguated record
Xiangfei Geng
Also filed as: GENG XIANGFEI
9 granted patents·1 pending application·2 citations·filing 2017–2020
75Inventor score
Files withPETROCHINA CO LTD10
Top patents by PatentIndex Score
10 records- 0183US11097239B2Core-shell structured non-ionic nanoemulsion system and preparation and use thereofPETROCHINA CO LTD·Filed 2019·Granted Aug 24, 2021·2 cites·20 claims
- 0268US11629283B2N,N,N′,N′-tetradodecyl-substituted diphenyl ether sulfonate anionic Gemini surfactant and synthesis method thereofPETROCHINA CO LTD·Filed 2019·Granted Apr 18, 2023·0 cites·1 claims
- 0365US11505734B2Nonionic Gemini surfactant of (octylphenol polyoxyethylene ether disubstituted) dicarboxylic acid diphenyl ether and its synthesis methodPETROCHINA CO LTD·Filed 2019·Granted Nov 22, 2022·0 cites·1 claims
- 0464US11174424B2Core-shell structured anionic nano microemulsion system, and preparation and application thereofPETROCHINA CO LTD·Filed 2019·Granted Nov 16, 2021·0 cites·19 claims
- 0555US10759819B2Single-side modified β-Anderson-type heteropolymolybdate organic derivativesPETROCHINA CO LTD·Filed 2019·Granted Sep 1, 2020·0 cites·3 claims
- 0650US10682619B2Nano-silica dispersion having amphiphilic properties and a double-particle structure and its production methodPETROCHINA CO LTD·Filed 2018·Granted Jun 16, 2020·0 cites·20 claims
- 0744US10647586B2Amphiphilic molecular sieve containing lipophilic group on the outside and hydrophilic group on the inside and production method thereofPETROCHINA CO LTD·Filed 2018·Granted May 12, 2020·0 cites·17 claims
- 0843US10759667B2Amphiphilic molecular sieve containing hydrophilic group on the outside and lipophilic group on the inside and production method threofPETROCHINA CO LTD·Filed 2018·Granted Sep 1, 2020·0 cites·13 claims
- 0942US11802233B2Permeability-enhancing flooding system for tight oil reservoirs, and preparation and use thereofPETROCHINA CO LTD·Filed 2020·Granted Oct 31, 2023·0 cites·9 claims
- 1042US2018127517A1Hydrophobically modified nanocellulose crystal and a method for hydrophobic grafting modification of nanocellulose crystalsPETROCHINA CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →