Number | Name | Date | Kind |
---|---|---|---|
3493658 | Schmidt et al. | Feb 1970 | |
4732913 | Donofrio et al. | Mar 1988 | |
4800082 | Karbowski et al. | Jan 1989 |
Entry |
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Karbowski et al., "DNPA: An Alternative for Reducing Chlorine Residuals in Municipal Wastewater Treatment Plants", presented at the annual conference of the Water Pollution Control Federation, Dallas, Texas, Oct. 5, 1988. |
Walter, Jr. et al., "Compatiability of DBNPA with Chlorine as Water Treatment Biocides", presented at the 46th Annual Meeting of the International Water Conference, Pittsburgh, Pa., Nov. 4-7, 1985. |