Number | Date | Country | Kind |
---|---|---|---|
54-73492 | Jun 1979 | JPX | |
55-17210 | Feb 1980 | JPX | |
55-17212 | Feb 1980 | JPX | |
55-17213 | Feb 1980 | JPX | |
55-17214 | Feb 1980 | JPX | |
55-17215 | Feb 1980 | JPX | |
55-20568 | Feb 1980 | JPX | |
55-20582 | Feb 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3549727 | Coates et al. | Dec 1970 | |
3845163 | Murch | Oct 1974 | |
3880948 | Compli | Apr 1975 | |
3972961 | Hammer et al. | Aug 1976 | |
3976720 | Hammer et al. | Aug 1976 | |
4017557 | Hammer et al. | Apr 1977 | |
4292414 | Suito et al. | Sep 1981 |
Entry |
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Encyclopedia of Polymer Science and Technology, vol. 13, pp. 396-397. |