Inventor · disambiguated record

Zaoyan Yang

Also filed as: YANG ZAOYAN

1 granted patent·89 citations·filing 1997–1997

52Inventor score

Technology areasC02F

Files withTIANJIN MUNICIPAL ENGINEERING1

Top patents by PatentIndex Score

1 record

0182US5833856AProcess for biologically removing phosphorus and nitrogen from wastewater by controlling carbohydrate content thereinTIANJIN MUNICIPAL ENGINEERING·Filed 1997·Granted Nov 10, 1998·89 cites·8 claims

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