Number | Date | Country | Kind |
---|---|---|---|
58-74003 | Apr 1983 | JPX | |
58-117123 | Jun 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3532643 | Wessling et al. | Oct 1970 | |
3706677 | Wessling et al. | Dec 1972 |
Entry |
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Polymer, vol. 20, 1979, pp. 1411, 1441-1443 |
J. Polymer Sci., Part A-1, vol. 6, 1968, pp. 1058-1061. |