Number | Date | Country | Kind |
---|---|---|---|
96 13405 | Nov 1996 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4268498 | Gedeon et al. | May 1981 | |
4482537 | El-Menshawy et al. | Nov 1984 | |
4687843 | Smolin et al. | Aug 1987 | |
4933176 | van Reeth | Jun 1990 |
Number | Date | Country |
---|---|---|
0 274 812 | Jul 1988 | EPX |
0 588 379 A | Mar 1994 | EPX |
2 237 615 A | Feb 1975 | FRX |
41 39 935 A | Jun 1993 | DEX |
WO 9207543 | May 1992 | WOX |
WO 9308840 | May 1993 | WOX |
WO 9417830 | Aug 1994 | WOX |
Entry |
---|
Chemical Abstracts, vol. 93, No. 18, Nov. 3, 1980, pp. 344-345. |