Number | Name | Date | Kind |
---|---|---|---|
978359 | Cooper | Dec 1910 | |
2543868 | Prokop | Mar 1951 | |
3244230 | Sharp | Apr 1966 | |
3275077 | Smith et al. | Sep 1966 | |
3302715 | Smith et al. | Feb 1967 | |
3333636 | Groves, Jr. | Aug 1967 | |
3376931 | Messenger | Apr 1968 | |
3437144 | Fisher | Apr 1969 | |
3438439 | Froning | Apr 1969 | |
3669188 | Coles et al. | Jun 1972 | |
4564069 | Rubinstein et al. | Jan 1986 |
Entry |
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"Polysulfide Stops FCCU Corrosion," by E. F. Ehmke, Hydrocarbon Processing, Jul. 1981, pp. 149-155. |