Number | Name | Date | Kind |
---|---|---|---|
2764472 | Cady et al. | Sep 1956 | |
3078140 | Hatch | Feb 1963 | |
3562123 | Carlin et al. | Feb 1971 |
Entry |
---|
Japanese Patent Publication No. 40-52698, published July 24, 1973. |
"Dowex :: Ion Exchange", The Dow Chem. Co., Lakeside Press, 1958, 1959, pp. 29-30. |
"General Chemistry", H. H. Sisler et al., 1949, p. 374. |