Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436309 | Polyol and complex esters for use with, in particular, fluorinated refrigerants | Håkan Rahkola, Jari Koistinen, Essi Glad, Virpi Saranp{umlaut over (aa)} | 2002-08-20 |
| 5663452 | Process for the preparation of 2-ethyl-1,3-hexane diol | Kari Kulmala, Lea Rintala, Leila Lahtinen, Kalevi Heinola | 1997-09-02 |
| 5618985 | Process for the preparation of 2-n-butyl-2-ethyl-1,3-propane diol | Kari Kulmala, Lea Rintala | 1997-04-08 |
| 5166413 | Process for preparation of branched 1,3-glycols and their monoesters | Pia Carlsson, Alfred Hopfinger, Håkan Rahkola, Kjell Sjoberg, Monica Soderlund | 1992-11-24 |
| 5130469 | Derivatives of N,N-bis(2,2-dimethyl-2-carboxy-ethyl)amine, manufacturing procedure and use of same | Leila Lahtinen, Oili Riutta, Pirkko Vohlonen, Ulf Nummelin, Eija Valtonen +1 more | 1992-07-14 |
| 4689331 | Substituted 2-pyridinyl benzimidazoles, and their use for inhibiting gastric acid secretion | Arne E. Brandstrom, Per L. Lindberg, Mats Peter Nordberg, Bjorn Wallmark | 1987-08-25 |