Keijo Ukkonen
4Patents
2h-index
7Co-inventors
41Inventor score
Filing activity: Oct 23, 1979 → Sep 1, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4477613A | Stabilization of tackifying resin dispersions | Chemistry; Metallurgy | 21 | Expired |
| US4279827A | Process for the preparation of a .beta.-sitosterol concentrate containing less than 5% by weight of .alpha.-sitosterol | Chemistry; Metallurgy | 2 | Expired |
| US7371876B2 | Process for the purification of sterols from hydrocarbon extracts using evaporative fractionation | Chemistry; Metallurgy | 0 | Expired |
| US5651875A | Process for producing alkali metal hydroxide | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.