Number | Date | Country | Kind |
---|---|---|---|
3406471 | Feb 1984 | DEX | |
3432575 | Sep 1984 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2251292 | Reppe | Aug 1941 | |
2251835 | Reppe et al. | Aug 1941 | |
3726905 | Coates et al. | Apr 1973 | |
3980672 | Tomomatsu | Sep 1976 | |
4233228 | Mueller et al. | Nov 1980 |
Number | Date | Country |
---|---|---|
850750 | Sep 1952 | DEX |
1043342 | Nov 1958 | DEX |
Entry |
---|
Reppe et al, Annalen der Chemie, 596, (1955), 81 and 82. |