Number | Date | Country | Kind |
---|---|---|---|
76467 | Dec 1976 | LUX |
Number | Name | Date | Kind |
---|---|---|---|
2985661 | Hein | May 1961 | |
3076812 | Ackermann et al. | Feb 1963 | |
3274184 | Thompson | Sep 1966 | |
3413233 | Siegrist et al. | Nov 1968 | |
3711472 | Siegrist et al. | Jan 1973 | |
3725395 | Siegrist et al. | Apr 1973 | |
3732221 | Siegrist et al. | May 1973 | |
3781278 | Siegrist et al. | Dec 1973 |
Number | Date | Country |
---|---|---|
850008 | Jul 1952 | DEX |
1445916 | Apr 1969 | DEX |
508009 | Jul 1971 | CHX |
902058 | Jul 1962 | GBX |
902059 | Jul 1962 | GBX |
Entry |
---|
Liechtl et al., Chem. Abstr., 75 (1971), #141978. |
Siegrist et al., Chem. Abstr. 72 (1970), #91492. |