1. Ikariya T Japanese Patent Appl. 274721 (1993).
2. Cottle J. E. U.S. Patent 3 294 772 (1966).
3. Kramer G. M. U.S. Patent 3 880 945 (1975).
4. Rathke J. W. U.S. Patent 5 198 589 (1993(.
5. AALTONEN, O, BIOCATALYSIS IN SUPERCRITICAL CO2, CHEMTECH 21: 240 (1991).