Inventor · disambiguated record
Keijo Ukkonen
Also filed as: UKKONEN KEIJO · UKKONEN KEIJO A · UKKONEN KEIJO ALLAN
4 granted patents·56 citations·filing 1979–2004
75Inventor score
Top patents by PatentIndex Score
4 records- 0184US4477613AStabilization of tackifying resin dispersionsSYLVACHEM CORP·Filed 1983·Granted Oct 16, 1984·39 cites·33 claims
- 0267US4279827AProcess for the preparation of a β-sitosterol concentrate containing less than 5% by weight of α-sitosterolKAUKAS AB OY·Filed 1979·Granted Jul 21, 1981·11 cites·4 claims
- 0353US7371876B2Process for the purification of sterols from hydrocarbon extracts using evaporative fractionationSTEROL TECHNOLOGIES LTD·Filed 2004·Granted May 13, 2008·1 cites·21 claims
- 0423US5651875AProcess for producing alkali metal hydroxideEKA CHEMICALS OY·Filed 1995·Granted Jul 29, 1997·5 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →