Number | Date | Country | Kind |
---|---|---|---|
4-206476 | Aug 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3775496 | Thompson | Nov 1973 | |
4950825 | Sikkenga et al. | Aug 1990 | |
5008479 | Abe et al. | Apr 1991 | |
5030701 | Sikkenga et al. | Jul 1991 |
Number | Date | Country |
---|---|---|
0351074 | Jan 1990 | EPX |
Entry |
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Chemical Abstracts, vol. 80, No. 17, 29 Apr. 1974, abstract No. 95601k, p. 382, of JP-A-396,577. |
Chemical Abstracts, vol. 83, No. 23, 8 Dec. 1975, abstract No. 192938v, p. 427, of JP-A-593,956. |