Number | Name | Date | Kind |
---|---|---|---|
3325551 | Suld | Jun 1967 | |
3531543 | Clippinger et al. | Sep 1970 | |
3775496 | Thompson | Nov 1973 | |
4060559 | Goto et al. | Nov 1977 | |
4268707 | Antos | May 1981 |
Number | Date | Country |
---|---|---|
0098622 | Jan 1984 | EPX |
49-72240 | Jul 1974 | JPX |
1499297 | Jan 1978 | GBX |
Entry |
---|
Imamura et al., Chemical Abstracts 31116q, vol. 82 (1975). |