Number | Date | Country | Kind |
---|---|---|---|
3443462 | Nov 1984 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1846221 | Michael et al. | Feb 1932 | |
2429262 | Fallows et al. | Oct 1947 | |
2529546 | Fallows et al. | Nov 1950 | |
3702887 | Sennewald et al. | Nov 1972 | |
4230772 | Swift et al. | Oct 1980 |
Number | Date | Country |
---|---|---|
1014094 | Dec 1957 | DEX |
1211612 | Mar 1966 | DEX |
Entry |
---|
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition, vol. 7, John Wiley & Sons (1981), pp. 307-310. |