Number | Name | Date | Kind |
---|---|---|---|
3151017 | Brafford | Sep 1964 | |
3755220 | Freimark et al. | Aug 1973 | |
3844880 | Meisel et al. | Oct 1974 | |
3998690 | Lyness et al. | Dec 1976 | |
4144122 | Emanuelsson et al. | Mar 1979 | |
4351699 | Osborn, III | Sep 1982 | |
4447294 | Osborn, III | May 1984 | |
4795530 | Soerens et al. | Jan 1989 | |
4940513 | Spendel | Jul 1990 | |
4959125 | Spendel | Sep 1990 | |
5217576 | Van Phan | Jun 1993 | |
5262007 | Phan et al. | Nov 1993 | |
5279767 | Phan et al. | Jan 1994 | |
5348620 | Hermans et al. | Sep 1994 | |
5354425 | Mackey et al. | Oct 1994 | |
5397435 | Ostendorf et al. | Mar 1995 | |
5405501 | Phan et al. | Apr 1995 | |
5437766 | Phan et al. | Aug 1995 | |
5529665 | Kaun | Jun 1996 |
Entry |
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Swerin, Agne, Lars Odberg, and Ulf Sjodin, "Flocculation--Microparticle Retention Aid Systems," Paper Technology, vol. 33, No. 12, Dec. 1992, pp. 28-29. |