Number | Name | Date | Kind |
---|---|---|---|
2147789 | Graves | Feb 1939 | |
2431011 | Zimmer et al. | Nov 1947 | |
2636019 | Butler | Apr 1953 | |
4468507 | Parker | Aug 1984 | |
4474929 | Schrader | Oct 1984 |
Number | Date | Country |
---|---|---|
0102960 | Jun 1982 | JPX |
0101108 | Jun 1983 | JPX |
1154297 | May 1985 | SUX |
Entry |
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H. A. Bruson and C. W. MacMullen, J. Am-Chem. Soc., vol. 63, p. 270 (1941). |