Number | Name | Date | Kind |
---|---|---|---|
3247066 | Milosovich, Jr. | Apr 1966 | |
3952741 | Baker | Apr 1976 | |
4016880 | Theeuwes et al. | Feb 1983 | |
4096238 | Zaffaroni et al. | Jun 1978 | |
4177256 | Michaels et al. | Dec 1979 | |
4503030 | Edgren et al. | Mar 1985 | |
4522625 | Edgren | Jun 1985 | |
4539199 | Orban et al. | Sep 1985 | |
4578075 | Urquhart et al. | Mar 1986 | |
4587117 | Edgren et al. | May 1986 | |
4627851 | Wong et al. | Dec 1986 | |
4681583 | Urquhart et al. | Jul 1987 | |
4693895 | Wong et al. | Sep 1987 | |
4705515 | Wong et al. | Nov 1987 | |
4830855 | Stewart | May 1989 | |
4851231 | Urquhart et al. | Jul 1989 | |
4904474 | Theeuwes et al. | Feb 1990 | |
4910021 | Davis et al. | Mar 1990 |
Number | Date | Country |
---|---|---|
9001329 | Feb 1990 | WOX |
Entry |
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Baker, R. W., John Wiley and Son, "Controlled Release of Biologically Active Agents" pp. 132-155 (1987). |
Smith, K. L., Herbig, S. M., Ho, W. S. W., and K. K. Sirkar eds., Van Nostrand Reinhold, "Controlled Release", Membrane Handbook, pp. 915-935 (1992). |