Dijl, van, J. M. (Inventor), Smith, H. E. (Inventor),
Bron, S. (Inventor),
Quax, W. (Inventor) & Venema, G. (Inventor),
21-Sept-1993, IPC No. C12R 1/ 42 A N, Patent No. US5246838, Priority date
24-Dec-1990, Priority No. EP19900203509
Research output: Patent