Number | Date | Country | Kind |
---|---|---|---|
61-86589 | Apr 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3742951 | Zaffaroni | Jul 1973 |
Number | Date | Country |
---|---|---|
0193164 | Sep 1986 | EPX |
Entry |
---|
Patent Abstracts of Japan, vol. 9, No. 324 (C-320) [2047], 12/17/85 & JPA-60 156 607. |
Chemical Abstracts, vol. 100, No. 20, May 14, 1984, p. 327, Abstract No. 161803n. |