Number | Date | Country | Kind |
---|---|---|---|
2911401 | Mar 1979 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1763319 | Orthman | Jun 1930 | |
1844769 | Isermann et al. | Feb 1932 | |
1973130 | Turley et al. | Sep 1934 | |
2033163 | Wallerstein et al. | Mar 1936 | |
2155087 | Grassman et al. | Apr 1939 | |
2169147 | Jaeger et al. | Aug 1939 | |
2174497 | Hill | Sep 1939 | |
3271258 | Zviak et al. | Sep 1966 | |
4175922 | Eckert et al. | Nov 1979 |
Number | Date | Country |
---|---|---|
646721 | Apr 1935 | DE2 |
2053016 | Nov 1973 | DEX |
2157034 | May 1973 | DEX |
50-897 | Jan 1975 | JPX |
433815 | Aug 1935 | GBX |
500117 | Jan 1939 | GBX |
583096 | Dec 1946 | GBX |
785112 | Oct 1957 | GBX |
Entry |
---|
Chem. Abstract 71:92680p. |
Ullmann's Encyclopedia of Technical Chem., 4th Ed., vol. 16, (p. 118). |