Number | Date | Country | Kind |
---|---|---|---|
60-211573 | Sep 1985 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3200700 | Topol | Aug 1965 | |
3236095 | Gelder | Feb 1966 | |
3452586 | Childs et al. | Jul 1969 | |
3499315 | Marino | Mar 1970 | |
3605485 | Badzioch et al. | Sep 1971 | |
3872710 | Louvel | Mar 1975 | |
3997297 | Jenkins et al. | Dec 1976 | |
4117715 | Hoenig | Oct 1978 | |
4117717 | Isley | Oct 1978 | |
4175426 | Rosenblum | Nov 1979 | |
4263805 | Isley et al. | Apr 1981 | |
4361028 | Kamiya et al. | Nov 1982 | |
4446726 | Hockenberry | May 1984 | |
4521864 | Characklis | Jun 1985 | |
4550591 | Cox et al. | Nov 1985 | |
4554822 | Eisenhauer et al. | Nov 1985 |
Number | Date | Country |
---|---|---|
1598395 | Jul 1970 | DEX |
2916036 | Nov 1980 | DEX |
Entry |
---|
Japanese Abstract of Patent No. 76891-78; Jul. 1978. |
German literature references to Vom Wasser (pp. 252-261) (1932); and to GWF-Glosser/Abwasser (pp. 220-222); (1976). |
German references 1946505 and 1726563 as listed in German novelty search. |
Literature ref. of Chem. Techn. (pp. 748-750); Dec. 1972. |
"SDI Method", Handotai Process Zairyo Jitsumu Binran, p. 438, published by Science Forum Company, Apr. 25, 1983. |