Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6255541 | Process for the preparation of polyvalent alcohols | Erkki Paatero, Esa Nummi, Lars-Peter Lindfors, Hannu Nousiainen, Jukka Hietala +1 more | 2001-07-03 |
| 5663452 | Process for the preparation of 2-ethyl-1,3-hexane diol | Kari Kulmala, Kjell Ankner, Lea Rintala, Kalevi Heinola | 1997-09-02 |
| 5512685 | Process for the preparation of 3-substituted thiophenes | Hannele Jarvinen, Osmo Hormi, Jan Nasman, Anna-Liisa Tammi | 1996-04-30 |
| 5198559 | N-acyl and O-acyl derivatives of N,N-bis(2,2-dimethyl-3-hydroxypropyl)amine, their preparation and use | Salme Koskimies, Simo Tuominen, Eija Valtonen | 1993-03-30 |
| 5130469 | Derivatives of N,N-bis(2,2-dimethyl-2-carboxy-ethyl)amine, manufacturing procedure and use of same | Oili Riutta, Pirkko Vohlonen, Ulf Nummelin, Kjell Ankner, Eija Valtonen +1 more | 1992-07-14 |
| 4952546 | Catalyst system for selective alkylation of toluene | Pekka Knuuttila, Erkki Halme, Salme Koskimies | 1990-08-28 |
| 4694099 | Procedure for producing stearyl-.beta.-(3,5-dibutyl-4-hydroxyphenyl) propionate and bis-(.beta.(3,5-dibutyl-4-hydroxybenzyl)-methylcarboxyethyl)sulphide | Matts Ahlfors, Salme Koskimies, Peter Idelman | 1987-09-15 |