Number | Date | Country | Kind |
---|---|---|---|
5-055696 | Mar 1993 | JPX | |
5-324270 | Dec 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3966642 | Black et al. | Jun 1976 | |
4138326 | Swift et al. | Feb 1979 | |
5208385 | Kahn et al. | May 1993 | |
5344964 | Chu et al. | Sep 1994 | |
5466778 | Lambert et al. | Nov 1995 |
Number | Date | Country |
---|---|---|
3606479 | Sep 1987 | DEX |
Entry |
---|
Chem. Abs., 108:22504 (1987), Mueller. |