Number | Name | Date | Kind |
---|---|---|---|
3634558 | Stober | Jan 1972 | |
4567030 | Yuasa | Jan 1986 | |
4775520 | Unger et al. | Oct 1988 | |
4842837 | Shimizu et al. | Jun 1989 | |
4940571 | Su et al. | Jul 1990 | |
4983369 | Barder et al. | Jan 1991 | |
5089554 | Bomo et al. | Feb 1992 |
Number | Date | Country |
---|---|---|
46-43617 | Dec 1971 | JPX |
59-30730 | Feb 1984 | JPX |
2-243508 | Sep 1990 | JPX |
Entry |
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Stober et al., "Controlled Growth of Monodisperse Silica Spheres in the Micron Size Range", Jour. of Colloid & Interface Sci., 26, 62-69 (1968). |