Number | Name | Date | Kind |
---|---|---|---|
3467162 | Putnam | Sep 1969 | |
3607031 | Barilli et al. | Sep 1971 | |
3694153 | Williams et al. | Sep 1972 | |
4053564 | Bradford et al. | Oct 1977 | |
4082836 | Ore | Apr 1978 | |
4136199 | Mills | Jan 1979 | |
4171342 | Hirko et al. | Oct 1979 | |
4235854 | Smith et al. | Nov 1980 | |
4243637 | Bradford et al. | Jan 1981 | |
4243643 | Mills | Jan 1981 | |
4248843 | Williams et al. | Feb 1981 | |
4260584 | Ore et al. | Apr 1981 | |
4264563 | Sikdar | Apr 1981 | |
4275038 | Sikdar et al. | Jun 1981 | |
4284614 | Ore | Aug 1981 | |
4313919 | Richards et al. | Feb 1982 |
Entry |
---|
Slack, Phosphoric Acid, vol. II, pp. 639, 642-645, 650, 651 (1968). |