Number | Date | Country | Kind |
---|---|---|---|
3740464 | Nov 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
704577 | Puff | Jul 1902 | |
1038180 | Moreland | Sep 1912 | |
2533367 | Gruszecki | Dec 1950 | |
2688243 | Bowen | Sep 1954 | |
2876782 | Hudgens | Mar 1959 | |
2903739 | Hann | Sep 1959 | |
3536411 | Eisert | Oct 1970 | |
4570834 | Ward | Feb 1986 |
Entry |
---|
Hawley's Condensed Chemical Dictionary, Eleventh Ed., Van Nostrand Reinhold Co., 1987, pp. 5, 351. |