Number | Name | Date | Kind |
---|---|---|---|
2493676 | Langlois et al. | Jan 1950 | |
2802028 | England | Aug 1957 | |
2988537 | Wiley | Jun 1961 | |
3274239 | Selman | Sep 1966 | |
3847978 | Sianese et al. | Nov 1974 | |
3954807 | Erby et al. | May 1976 | |
4131740 | England | Dec 1978 | |
4273728 | Krespan | Jun 1981 | |
4273729 | Krespan | Jun 1981 | |
4275225 | Krespan | Jun 1981 | |
4275226 | Yamabe et al. | Jun 1981 | |
4330654 | Ezzell et al. | May 1983 | |
4335255 | Krespan | Jun 1982 | |
4337211 | Ezzell et al. | Jun 1982 |
Number | Date | Country |
---|---|---|
41736 | Dec 1981 | EPX |
41737 | Dec 1981 | EPX |
41735 | Dec 1981 | EPX |
2051831 | Jan 1981 | GBX |
Entry |
---|
McBee et al., J. Am. Chem. Soc. 75: 3152-3153 (1953). |