Verhoeven, J. W. (Inventor), van der Tol, E. B. (Inventor), Steemers, F. J. (Inventor), Verboom, W. (Inventor), Reinhoudt, D. (Inventor) & Hofstraat, J. W. (Inventor), 1 Jan 1997, (In preparation) Patent No. 1e 9701236.3, Priority date 1 Jan 1997
Kaspersen, F. (Inventor), Reinhoudt, D. (Inventor), Verboom, W. (Inventor) & van Staveren, C. J. (Inventor), 12 Jan 1993, (Submitted) Patent No. 1e Nederland, Priority date 12 Jan 1995
Batelaan, J. G. (Inventor), Engbersen, J. F. J. (Inventor), Kelderman, E. (Inventor), Reinhoudt, D. (Inventor) & Verboom, W. (Inventor), 7 Sept 1993, (Submitted) Patent No. 1e AT,BE,CH, DE, DK, Priority date 7 Sept 1993