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55-127432 | Oct 1980 | JPX |
55-160025 | Dec 1980 | JPX |
56-002320 | Jan 1981 | JPX |
57-049615 | Mar 1982 | JPX |
62-064826 | Mar 1987 | JPX |
62-0841128 | Apr 1987 | JPX |
Entry |
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Journal of Applied Polymer Science, vol. 34, No. 8, Dec., 1987, "Chain Extenders for Polyesters. VI, Properties of the Polyesters Chain-Extended by 2,2'-Bis(4H-3,1-Benzoxazin-4-one)", Inata et al, pp. 2769-2776. |