Number | Date | Country | Kind |
---|---|---|---|
4201720 | Jan 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4249937 | Iwataki et al. | Feb 1981 | |
4347372 | Fory et al. | Aug 1982 | |
4440566 | Luo | Apr 1984 | |
4614745 | Ilvespaa et al. | Sep 1986 | |
4888042 | Arai et al. | Dec 1989 |
Number | Date | Country |
---|---|---|
134198 | Mar 1985 | EPX |
459140 | Dec 1991 | EPX |
2014991 | Sep 1979 | GBX |
9210498 | Jun 1992 | WOX |
Entry |
---|
Research Disclosure; Jul. 1976, No. 147. |
Ann. Chem. 680 (1964), 40 et seq. |