Number | Date | Country | Kind |
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9-265192 | Aug 1997 | JPX |
Number | Name | Date | Kind |
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4806189 | Kraus et al. | Feb 1989 | |
5859170 | Sakamoto et al. | Jan 1999 |
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Journal of Applied Polymer Science, vol. 21, 1977, pp. 1999-2008, "Preparation and Properties of Polycarbodiimides", L. M. Alberino et al. |
Stanford Research Institute, Apr. 1963, pp. 1-9, "Polycarbodiimides and their Derivatives", Donald J. Lyman et al. |