Number | Date | Country | Kind |
---|---|---|---|
2801029 | Jan 1978 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3035055 | Slezak et al. | May 1962 | |
4080502 | Seng et al. | Mar 1978 | |
4174392 | Mohring et al. | Nov 1979 | |
4174445 | Mohring et al. | Nov 1979 |
Number | Date | Country |
---|---|---|
1670668 | Dec 1970 | DEX |
2460824 | Jun 1976 | DEX |
2317283 | Feb 1977 | FRX |
Entry |
---|
Etienne et al., Bull. de la Soc. Chim. de France, pp. 1419-1424, nr. 5-6 (May-Jun.) 1975. |