Number | Date | Country | Kind |
---|---|---|---|
2-4936 | Jan 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3908039 | Guthrie et al. | Sep 1975 | |
3920877 | Barber et al. | Nov 1975 | |
3925320 | Morgan | Dec 1975 | |
4234676 | Hein et al. | Nov 1980 | |
4264658 | Tobias et al. | Apr 1981 | |
4587313 | Ohta et al. | May 1986 | |
4999242 | Ishiwata et al. | Mar 1991 |
Number | Date | Country |
---|---|---|
0147959 | Jul 1985 | EPX |
0001273 | Jan 1985 | JPX |
8801281 | Feb 1988 | WOX |
Entry |
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Database Chemical Abstracts, 40849A, Columbus, Ohio (Hitachi Chemical Co., Ltd.). |