Number | Name | Date | Kind |
---|---|---|---|
2807582 | Applebaum | Sep 1957 | |
2841550 | Beohner | Jul 1958 | |
3342730 | Mihara et al. | Sep 1967 | |
3388059 | Wirth | Jun 1968 | |
3423311 | Hetherington et al. | Jan 1969 | |
3458438 | Smith et al. | Jul 1969 | |
3618589 | Tovani | Nov 1971 | |
3679580 | Boari et al. | Jul 1972 | |
3715287 | Johnson | Feb 1973 | |
3928192 | Katzakian, Jr. et al. | Dec 1975 |
Entry |
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Diamond Shamrock, "Duolite Ion Exchange Resins--C-433 & C-464 Weak Acid Cat--Exch. Resins in H.sub.2 O Treatment." |
Resindion, "Relite CM-2 Mixed Cat. Exchanger" Sybron Corp. |
Rohm & Hass, "A New Concept in Home Water Conditioning: Amberlite DP-1". |