Number | Name | Date | Kind |
---|---|---|---|
3791926 | Chibata et al. | Feb 1974 | |
3860490 | Guttag | Jan 1975 | |
4138292 | Chibata et al. | Feb 1979 | |
4237229 | Hartdegen et al. | Dec 1980 |
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Fusee et al., Immobilization of Escherichia coli, Cells Containing Aspartase Activity with Polyurethane and Its Application for L-Aspartic Acid Production, Applied and Environmental Microbiology, vol. 42, No. 4, 1981, (pp. 672-676). |
Hustad et al., Immobilization of Beta-Galactosidase on an Insoluble Carrier with a Polyisocyanate Polymer.I Preparation and Properties, J. Da. Sci., vol. 56, No. 9, 1973, (pp. 1111-1117). |