Number | Date | Country | Kind |
---|---|---|---|
91114928.4 | Sep 1991 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3499837 | Jaunarajs | Mar 1970 | |
4267058 | Kyri et al. | May 1981 | |
5009793 | Muller | Apr 1991 |
Number | Date | Country |
---|---|---|
0009718 | Apr 1980 | EPX |
3001929 | Jul 1981 | DEX |
3200164 | Dec 1982 | DEX |
Entry |
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Kawashima et al., Water Research Bd. 20, Nr. 4 471-475 (1986). |
Appleton et al., Environmental Science and Technology Bd. 15 Nr. 11 1383-1386 (1981). |