Finnish Patent Application No. 960755, filed Feb. 19, 1996. |
Finnish Patent Application No. 960756, filed Feb. 19, 1996. |
Finnish Patent Application No. 960757, filed Feb. 19, 1996. |
Finnish Patent Application No. 960758, filed Feb. 19, 1996. |
Chemical Abstracts, vol. 84, No. 20, May 17, 1976 (May 17, 1976), (Columbus, Ohio, USA), p. 122, The Abstract No. 137608h,, JP, 7602708 A, (Okumura, Osamu et al), Jan. 10, 1976 (Jan. 10, 1976). |
Chemical Abstracts, vol. 123, No. 16, Oct. 16, 1995 (Oct. 16, 1995), (Columbus, Ohio, USA), p. 1024, The Abstract No. 212991, JP, 71208949 A, (Okada, Hisashi et al) May 12, 1995 (May 12, 1995). |
J. van Westrenen et al., The synthesis of polyhydroxycarboxylates, Recl. Trav. Chem. Pays-Bas, vol. 109, 1990, p.474-478. |