Heiskanen, I. (Inventor), Backfolk, K. (Inventor), Vehviläinen, M. (Inventor), Kamppuri, T. (Inventor) & Nousiainen, P. (Inventor), 10 Aug 2016, IPC No. D21H 11/20, Patent No. EP2452014 B1, 23 Jun 2010
Vehvilainen, M. (Inventor), Nousiainen, P. (Inventor), Kamppuri, T. (Inventor) & Järventausta, M. (Inventor), 12 May 2011, IPC No. C12P 19/04, Patent No. US2011112286 A1, 6 May 2009, Priority date 6 May 2009, Priority No. WO2009EP55479
Vehviläinen, M. (Inventor), Nousiainen, P. (Inventor), Kamppuri, T. (Inventor) & Järventausta, M. (Inventor), 11 Nov 2009, IPC No. D01F 2/02, European Patent Office (EPO), Patent No. EP2116557 A1, 6 May 2008, Priority date 6 May 2008, Priority No. EP20080397510