Number | Date | Country | Kind |
---|---|---|---|
3106456 | Feb 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3948866 | Pennewiss et al. | Apr 1976 | |
4070348 | Kramer et al. | Jan 1978 | |
4190713 | Kramer et al. | Feb 1980 |
Number | Date | Country |
---|---|---|
2009218 | Sep 1971 | DEX |
2237316 | Feb 1974 | DEX |
2722751 | Nov 1978 | DEX |
2442248 | Jun 1980 | FRX |
Entry |
---|
Brandrup-Immergut, "Polymer Handbook", pp. IV-337, IV-340, IV-341, IV-348, IV-349, (1975). |