PE

Peter Essen

LO Leiras Oy: 1 patents #28 of 63Top 45%
Overall (All Time): #3,866,556 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5175376 Process for the purification of 2,6-diisopropyl phenol Kauko Nieminen 1992-12-29