Inventor · disambiguated record
Nina K. Andreeva
Also filed as: ANDREEVA NINA K · SOKOLOV IGOR D
3 granted patents·50 citations·filing 1979–1979
71Inventor score
Top patents by PatentIndex Score
3 records- 0181US4246019AMethod of producing a complex mineral fertilizerSOKOLOV IGOR D·Filed 1979·Granted Jan 20, 1981·33 cites·3 claims
- 0261US4240818AProcedure for preparing nitrogen-potassium fertilizerANDREEVA NINA K·Filed 1979·Granted Dec 23, 1980·13 cites·9 claims
- 0327US4264570AMethod of producing magnesium sulphateSOKOLOV IGOR D·Filed 1979·Granted Apr 28, 1981·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →