Number | Date | Country | Kind |
---|---|---|---|
3402060 | Jan 1984 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4308207 | Hunziker et al. | Dec 1981 | |
4336192 | Steiner et al. | Jun 1982 | |
4447434 | Trummlitz et al. | May 1984 |
Entry |
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Chemical Abstracts, vol. 94, No. 19, May 11, 1981, 156722p. |
Chemical Abstracts, vol. 95, No. 21, Nov. 23, 1981, 187040q. |
Chemical Abstracts, vol. 91, No. 23, Dec. 3, 1979, 193150j. |