Number | Date | Country | Kind |
---|---|---|---|
492/85 | Feb 1985 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
2368682 | Seymour et al. | Feb 1945 | |
2604480 | Seymour et al. | Jul 1952 | |
4197250 | Redeker et al. | Apr 1980 | |
4235789 | Stout | Nov 1980 | |
4292247 | Mishikuri et al. | Sep 1981 |
Number | Date | Country |
---|---|---|
2817890 | Oct 1978 | DEX |
0160162 | Nov 1985 | EPX |
Entry |
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Ullmanns Encyklopadie der Technischen Chemie, 4th edition, vol. 7, (1974). |
Houben-Weyl, vol. VII/3c (1979). |