Number | Date | Country | Kind |
---|---|---|---|
2805106 | Feb 1978 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3323922 | Durst | Jun 1967 | |
3582495 | Emrick | Jun 1971 | |
3584113 | Takebe et al. | Jun 1971 | |
3627693 | Scarpelli | Dec 1971 | |
3664963 | Pasin | May 1972 |
Entry |
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Angewandte Chemie International Edition in English, vol. 14, (1975) No. 8, pp. 541, 542, 547 and 548. |