Number | Date | Country | Kind |
---|---|---|---|
63-226478 | Sep 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3549725 | Rose | Dec 1970 | |
3682857 | Harris | Aug 1972 | |
4762882 | Okano | Aug 1988 |
Number | Date | Country |
---|---|---|
0053080 | Feb 1982 | EPX |
1-210449 | Aug 1989 | JPX |
1015334 | Dec 1965 | GBX |
Entry |
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Database Chemical Abstracts (Host: STN), 1989, No. 112(10); abstract no. 78266s, Columbus, Ohio, US. |
European Search Report for Application No. EP 89 30 9001 dated Mar. 21, 1990. |