Number | Date | Country | Kind |
---|---|---|---|
4237468 | Nov 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3033815 | Pike et al. | May 1962 | |
3759968 | Berger et al. | Sep 1973 | |
3940360 | Carder | Feb 1976 | |
4176124 | Darms et al. | Nov 1979 | |
5126170 | Zwiener et al. | Jun 1992 | |
5189190 | Ching et al. | Feb 1993 | |
5236741 | Zwiener et al. | Aug 1993 | |
5260467 | Barnish et al. | Nov 1993 |
Number | Date | Country |
---|---|---|
264022 | Dec 1989 | EPX |
2158945 | May 1973 | DEX |
1190342 | May 1970 | GBX |
9205212 | Apr 1992 | WOX |
Entry |
---|
Angew. Chem. 98 (1986) pp. 237-253. |