PATRIKAINEN, T. (Inventor), TAMMINEN, A. (Inventor), TUOMINIEMI, S. (Inventor), PIKKUJAMSA, E. (Inventor), SPETS, J.-P. (Inventor) & HAMALAINEN, R. (Inventor),
20 Mar 1996, IPC No. C01D 5/ 14 A I, Patent No. CA2155921, Priority date
19 Sept 1994, Priority No. FI19940004344
Research output: Patent