1. C. P. C. International Inc., Europe Patent Application E. P. 36662 (cl. C12N11/08), September 1981.
2. Tate and Lyle PLC, Europe Patent Application E. P. 65376 (cl. C12N11/04), November 1982.
3. Toray Industries Inc. Jpn. Kokai Tokkyo Koho J. P. 82 12 833 (cl. B0147/12), January 1982, cf. CA 97, 19845d.
4. Nitto Electric Industrial Co. Ltd. Jpn. Kokai Tokkyo Koho J. P. 82 58 886 (cl. C12N11/08), April 1982. cf. CA 97, 87848g.
5. and Czech, C. S. 18, 302 (August 1982).