Number | Date | Country | Kind |
---|---|---|---|
42 40 311.1 | Dec 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2739166 | Treacy | Mar 1956 | |
2831882 | Spaeth | Apr 1958 | |
4353843 | Doumaux, Jr. et al. | Oct 1982 | |
4908466 | Nelson | Mar 1990 |
Number | Date | Country |
---|---|---|
310191 | Sep 1988 | EPX |
1156775 | Oct 1961 | DEX |
Entry |
---|
Chemical Abstract, Nitrites, Ger. 1,156,775. |