Number | Name | Date | Kind |
---|---|---|---|
2719862 | Bruce et al. | Oct 1955 | |
3950335 | Schromm et al. | Apr 1976 | |
4015011 | Schromm et al. | Mar 1977 | |
4073941 | Lindberg et al. | Feb 1978 | |
4267374 | Metcalf et al. | May 1981 | |
4323704 | Metcalf et al. | Apr 1982 | |
4536507 | Rokaett et al. | Aug 1985 | |
4639468 | Roncucci et al. | Jan 1987 |
Number | Date | Country |
---|---|---|
955508 | Jan 1957 | DEX |
343388 | Feb 1960 | CHX |
Entry |
---|
CA 64,14162f (Zaheer et al) (1966). |
CA 73,25044n (Armando et al) (1970). |
CA 77,19586g (Patel et al) (1972). |
CA 85,5705y (Hori et al) (1976). |
CA 96,19744z (Antoniadou-Vyza et al) (1982). |