Number | Date | Country | Kind |
---|---|---|---|
63-87258 | Apr 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3778410 | Kuhfuss et al. | Dec 1973 | |
3975487 | Cottis et al. | Aug 1976 | |
4161470 | Calundann | Jul 1979 |
Number | Date | Country |
---|---|---|
6025046 | Apr 1982 | JPX |
0112620 | May 1988 | JPX |
Entry |
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W. J. Jackson Jr. et al., J. Polymer Sci., 14, 2043-2058 (1976). |