Number | Date | Country | Kind |
---|---|---|---|
61-193986 | Aug 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2873296 | Nilsson et al. | Feb 1958 | |
4326997 | Willis et al. | Apr 1982 | |
4409401 | Murtha | Oct 1983 | |
4537704 | Sprecker et al. | Aug 1985 |
Entry |
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J. Am. Chem., 86, 15, (1962), pp. 3068 to 3072. |