Number | Name | Date | Kind |
---|---|---|---|
3523906 | Vrancken et al. | Aug 1970 | |
3691090 | Kitajima et al. | Sep 1972 | |
3737337 | Schmoring et al. | Jun 1973 | |
3887699 | Yolles | Jun 1975 | |
3891570 | Fukushima et al. | Jun 1975 | |
3928566 | Briggs et al. | Dec 1975 | |
4166800 | Fong | Sep 1979 | |
4389330 | Tice et al. | Jun 1983 | |
4530840 | Tice et al. | Jul 1985 | |
4542025 | Tice et al. | Sep 1985 | |
4675189 | Kent et al. | Jun 1987 | |
4804741 | Verbiscar et al. | Feb 1989 | |
4835139 | Tice et al. | May 1989 | |
5019400 | Gombotz et al. | May 1991 | |
5192741 | Orsolini et al. | Mar 1993 |
Number | Date | Country |
---|---|---|
WO 8903678 | May 1989 | WOX |
WO 9013780 | Nov 1990 | WOX |
WO9013285 | Nov 1990 | WOX |
WO 9307861 | Apr 1993 | WOX |
Entry |
---|
Santo, Toyomi, et al., "Porous Biodegradable Microspheres for Controlled Drug Delivery. I. Assessment of Processing Conditions and Solvent Removal Techniques," Pharmaceutical Research, 5(1) : 21-29 (1988). |