Inventor · disambiguated record

Yandan Chen

Also filed as: CHEN YANDAN

1 granted patent·0 citations·filing 2019–2019

9Inventor score

Technology areasC04B

Files withJIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD1

Top patents by PatentIndex Score

1 record

0149US11214657B2Preparation method of powdery polycarboxylate superplasticizerJIAHUA SCIENCE & TECH DEVELOPMENT SHANGHAI LTD·Filed 2019·Granted Jan 4, 2022·0 cites·10 claims

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