Number | Date | Country | Kind |
---|---|---|---|
3519522 | May 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3382087 | Ostrowski | May 1968 | |
3553101 | Foroulis | Jan 1971 | |
4098720 | Hwa | Jul 1978 | |
4298568 | Gerhardt et al. | Nov 1981 |
Entry |
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Chem. Abstract 99:139891, vol. 99 (1983), p. 594. |
Chem. Abstract 95:150693, vol. 95 (1981), p. 675. |
Chem. Abstract 69:27342, vol. 69 (1968), p. 2548. |