Number | Name | Date | Kind |
---|---|---|---|
3466267 | Derfer | Sep 1969 | |
3634374 | Bell | Jan 1972 | |
3903061 | Cesca et al. | Sep 1975 | |
3927144 | Hayashi et al. | Dec 1975 | |
3981958 | Nakashima et al. | Sep 1976 | |
4038346 | Feeney | Jul 1977 | |
4068062 | Lepert | Jan 1978 | |
4102834 | Morimoto et al. | Jul 1978 | |
4157363 | Hepworth | Jun 1979 | |
4687794 | Huddleston et al. | Aug 1987 | |
4739036 | Colvin et al. | Apr 1988 | |
4740559 | Johansson et al. | Apr 1988 | |
4752507 | Johansson et al. | Jun 1988 | |
4824921 | Luvinh | Apr 1989 | |
4889891 | Durairaj et al. | Dec 1989 | |
4968764 | Hayashida et al. | Nov 1990 | |
5049625 | Tazuma et al. | Sep 1991 | |
5691432 | Williams | Nov 1997 |
Number | Date | Country |
---|---|---|
0011393 | May 1980 | EP |
0063092 | Apr 1982 | EP |
0249904 | Jun 1987 | EP |
1107329 | Mar 1968 | GB |
Entry |
---|
Chemical Abstracts, vol. 90, 56115s (1979). |
European Search Report. |