Number | Date | Country | Kind |
---|---|---|---|
3629632 | Aug 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2943095 | Farnham et al. | Jun 1960 | |
3336241 | Shokal | Aug 1967 | |
4459419 | Seemuth | Jul 1984 | |
4626544 | Schulz et al. | Dec 1986 |
Number | Date | Country |
---|---|---|
828776 | Dec 1969 | CAX |
2132547 | Jun 1971 | DEX |
Entry |
---|
Chem. Abst., vol. 82, No. 16, p. 52:99079K. |
European Search Report EP 87 11 2316. |
D. Ahragam and Y. Deux, Comptes Rendus, vol. 205, pp. 285-286 (1937). |
Houben-Weyl, vol. 6/3 (1965), p. 445. |