Inventor · disambiguated record

Jieyuan Zhang

Also filed as: ZHANG JIEYUAN

2 granted patents·4 citations·filing 2012–2017

46Inventor score

Technology areasC09K

Files withRAVIKIRAN RAMAKRISHNA1 STEPAN CO1

Top patents by PatentIndex Score

2 records

0185US10435618B2Surfactants for enhanced oil recoverySTEPAN CO·Filed 2017·Granted Oct 8, 2019·4 cites·9 claims
0245US9567512B2Surfactants for enhanced oil recoveryRAVIKIRAN RAMAKRISHNA·Filed 2012·Granted Feb 14, 2017·0 cites·8 claims

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