Number | Date | Country | Kind |
---|---|---|---|
8-291981 | Nov 1996 | JPX | |
9-167134 | Jun 1997 | JPX |
Number | Date | Country |
---|---|---|
0 168 721-A1 | Jan 1986 | EPX |
0 617 041-A2 | Sep 1994 | EPX |
5-86084 | Apr 1994 | JPX |
Entry |
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CA:100:103496 abs of Huaxue Shiji by Lu 5(6) pp. 359-60, 1983. |
CA:78:30865 abs of JP47031927, Aug. 1972. |
CA:118:81025 abs of Phosphorus sulfur silicaon and related elements by Page 70(3-4) pp. 205-10, 1992. |