Number | Date | Country | Kind |
---|---|---|---|
20413 A/89 | May 1989 | ITX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/EP90/00717 | 5/4/1990 | 11/8/1991 | 11/8/1991 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO90/13552 | 11/15/1990 |
Number | Date | Country |
---|---|---|
217705 | Apr 1987 | EPX |
1543722 | Apr 1969 | DEX |
Entry |
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Kaitaranta J. Chrom. 206, 327 (1981). |