Number | Date | Country | Kind |
---|---|---|---|
44 28 787.9 | Aug 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1959376 | Lucas | May 1934 | |
3616277 | Adamson et al. | Oct 1971 | |
3772003 | Gordy | Nov 1973 | |
4028199 | Holland | Jun 1977 |
Number | Date | Country |
---|---|---|
0452597 | Apr 1990 | EPX |
0522232 | Feb 1992 | EPX |
36610 | Dec 1984 | DEX |
36945 | Feb 1986 | DEX |
3705956 | Feb 1987 | DEX |
4033016 | Oct 1990 | DEX |
56-123388 | Sep 1981 | JPX |
60-005892 | Jan 1985 | JPX |
5115875 | May 1993 | JPX |
8700210 | Jan 1987 | WOX |
Entry |
---|
R. Ott, " Atzverfahren mit electrochemischer Regenerierung und Kupferr ucwinnung, f ur die Leiterplattenfertigung", appearing in Chem.-Ing.-Tech. 63 (1991) N. 9, pp. 946-947 (no month). |
B. M. Kim et al, "Electrloytic Removal of Heavy Metals from Wastewaters", appearing in Environmental Progress, (vol. 1, No. 2), May 1982, pp. 121-125. |
L. Hartinger, "Handbuch der Abwasser-und Recyclingtechnik", Carl Hanser Verlag M unchen, 2 Aufl., 1991, Kap. 7.6.2.1 (no month). |