Number | Date | Country | Kind |
---|---|---|---|
2209478 | Feb 1972 | DT |
Number | Name | Date | Kind |
---|---|---|---|
2418416 | Locke | Apr 1947 | |
3793305 | Balon | Feb 1974 |
Number | Date | Country |
---|---|---|
1,644,319 | Nov 1970 | DT |
1,240,412 | Jul 1971 | UK |
Entry |
---|
Saunders, "The Aromatic Diazo-Compounds and Their Technical Applications", pp. 3, 18 and 19 (1949). |