Number | Date | Country | Kind |
---|---|---|---|
2619524 | May 1976 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2853473 | Campbell et al. | Sep 1958 | |
3432327 | Kan et al. | Mar 1969 | |
3640966 | Hennig et al. | Feb 1972 | |
3677787 | Augl et al. | Jul 1972 |
Entry |
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Flinn et al.: "What is Happening in Microencapsulation," Chemical Engineering, Dec. 4, 1967, pp. 171-178. |