Inventor · disambiguated record

Huihua Yan

Also filed as: YAN HUIHUA

1 granted patent·96 citations·filing 1997–1997

53Inventor score

Technology areasC08F

Files withGUANGZHOU INST OF ENVIRONMENTA1

Top patents by PatentIndex Score

1 record

0182US5990216AMethod for manufacturing grafted polyacrylamide flocculant of cationic/ampholytic ionsGUANGZHOU INST OF ENVIRONMENTA·Filed 1997·Granted Nov 23, 1999·96 cites·7 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →