Number | Date | Country | Kind |
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3-13899 | Jan 1991 | JPX |
Number | Name | Date | Kind |
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2964499 | Weigel | Dec 1960 |
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M. Szwarc, "`Living` Polymers," Nature, vol. 178, pp. 1168-1169 (Nov. 24, 1956). |
M. Szwarc et al., "J. Am. Chem. Soc., Communications to the Editor", vol. 78, pp. 2656-2657 (Jun. 5, 1956). |
T. Fujimoto et al., Polymer Journal, vol. 7, No. 3, pp. 397-401 (1975). |