Number | Date | Country | Kind |
---|---|---|---|
3627594 | Aug 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3061471 | Brockway et al. | Oct 1962 | |
3061472 | Brockway | Oct 1962 | |
3785921 | Ide et al. | Jan 1974 | |
4301017 | Kightlinger et al. | Nov 1981 | |
4560724 | Brabetz et al. | Dec 1985 | |
4659431 | Probst et al. | Apr 1987 | |
4670505 | Craig | Jun 1987 |
Number | Date | Country |
---|---|---|
2163850 | Jul 1973 | DEX |
115196 | Nov 1984 | JPX |
1430174 | Mar 1976 | GBX |
Entry |
---|
Paquin; "Uber Umsetzungen von Harnstoff mit Alkoholen", (1946), pp. 518-523, with partial English translation. |