Number | Date | Country | Kind |
---|---|---|---|
1-286388 | Nov 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4287114 | Itoh et al. | Sep 1981 | |
4478990 | Kohno et al. | Oct 1984 | |
4728687 | Watanabe et al. | Mar 1988 | |
4849022 | Kobayashi et al. | Jul 1989 | |
4918126 | Matsushita et al. | Apr 1990 | |
4923520 | Anzai et al. | May 1990 | |
4968848 | Kruse et al. | Nov 1990 | |
4983679 | Cohen et al. | Jan 1991 | |
4985477 | Collins et al. | Jan 1991 | |
5008305 | Kennan et al. | Apr 1991 |
Number | Date | Country |
---|---|---|
2-059417 | Feb 1990 | JPX |
Entry |
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"The Condensed Chemical Dictionary", 7th edition, Reinhold Publishing Corporation, p. 844. |