Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984658 | Oligo/polysuccinimides, process for producing thereof and their use | Kari Rissanen, Miikka Pakkala, Sami Nummelin | 2006-01-10 |
| 6946502 | Paint compositions | Maarit Lahtinen, Kari Rissanen, Karri Airola, Robert Jansson | 2005-09-20 |
| 6362362 | Process for preparing and purifying complex esters | Jari Koistinen, Kari Rissanen | 2002-03-26 |
| 5952534 | Manufacturing of 2,6-dimethylnaphthalene | Kari Vahteristo, Erkki Halme, Sigmund M. Csicsery, Markku LAATIKAINEN, Vesa Niemi | 1999-09-14 |
| 5939562 | Alkenyl substituted cyclic carboxyl acid anhydrides and their application in hydrophobic paper sizing | Mika Kapanen, Jaana Rantanen, Erkki Halme, Raija Savolainen | 1999-08-17 |
| 5814710 | Process for selective hydrogenation of unsaturated polymers | Petri Rekonen, Nina Kopola, Ove Andell, Marita Oksman | 1998-09-29 |
| 5198559 | N-acyl and O-acyl derivatives of N,N-bis(2,2-dimethyl-3-hydroxypropyl)amine, their preparation and use | Leila Lahtinen, Simo Tuominen, Eija Valtonen | 1993-03-30 |
| 4956512 | Procedure for producing poly-alpha-olefine-type lubricants | Fredrik Nissfolk, Peter Idelman, Matti Nurminen, Salla Roni | 1990-09-11 |
| 4952546 | Catalyst system for selective alkylation of toluene | Pekka Knuuttila, Erkki Halme, Leila Lahtinen | 1990-08-28 |
| 4816610 | Procedure for manufacturing short-chain linear .alpha.-olefines from ethylene | Leena Rantanen, Jouni Kivi, Erkki Halme | 1989-03-28 |
| 4801758 | Procedure for producing hydroquinone | Taru Haimala | 1989-01-31 |
| 4694099 | Procedure for producing stearyl-.beta.-(3,5-dibutyl-4-hydroxyphenyl) propionate and bis-(.beta.(3,5-dibutyl-4-hydroxybenzyl)-methylcarboxyethyl)sulphide | Matts Ahlfors, Leila Lahtinen, Peter Idelman | 1987-09-15 |