Number | Date | Country | Kind |
---|---|---|---|
2-293404 | Oct 1990 | JPX | |
3-71912 | Apr 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4841017 | Murai et al. | Jun 1989 | |
5043866 | Isozaki | Aug 1991 |
Number | Date | Country |
---|---|---|
2-233709 | Sep 1990 | JPX |
Entry |
---|
Chem. Abstr. 114:84011n (Abstr. of JP 2-233,709). |