Number | Date | Country | Kind |
---|---|---|---|
6-271318 | Nov 1994 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4418015 | Schreiner et al. | Nov 1983 | |
5066796 | Law | Nov 1991 | |
5453501 | Jager | Sep 1995 |
Number | Date | Country |
---|---|---|
A0001451 | Apr 1979 | EPX |
A0471456 | Feb 1992 | EPX |
A2200364 | Aug 1988 | GBX |
Entry |
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Chemical Abstracts, vol. 69, Nov. 22, No. 25, 1968. |