Number | Date | Country | Kind |
---|---|---|---|
3531276 | Sep 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3141741 | Hoel et al. | Jul 1964 | |
3620628 | Yasuda et al. | Nov 1971 | |
3625614 | Herrmann et al. | Dec 1971 | |
3681577 | Gasiunas | Aug 1972 | |
4220413 | Targowski et al. | Sep 1980 | |
4314764 | Liddell et al. | Feb 1982 |
Number | Date | Country |
---|---|---|
2845426 | Sep 1979 | DEX |
2833553 | Nov 1979 | DEX |
Entry |
---|
Fresenious Z, Anal. Chem., vol. 315, 1983, pp. 12-19, 1983. |
Optik, vol. 19, copy 8, 1962, pp. 422-433, 1962. |