Number | Date | Country | Kind |
---|---|---|---|
62-76395 | Mar 1987 | JPX | |
63-67223 | Mar 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
1932832 | Turrentine | Oct 1933 | |
3836561 | Young | Sep 1974 | |
4343723 | Rogers et al. | Aug 1982 | |
4702855 | Goossen et al. | Oct 1987 |
Number | Date | Country |
---|---|---|
284245 | May 1929 | GBX |
574911 | Jan 1946 | GBX |
Entry |
---|
Grant, Hackh's Chemical Dictionary, 4th Ed. McGraw-Hill Book Co. 1969, p. 44. |