Number | Name | Date | Kind |
---|---|---|---|
3598122 | Zaffaroni | Aug 1971 | |
3598123 | Zaffaroni | Aug 1971 | |
3710795 | Higuchi et al. | Jan 1973 | |
3948262 | Zaffaroni | Apr 1976 | |
4144317 | Higuchi et al. | Mar 1979 | |
4286592 | Chandrasekaran | Sep 1981 | |
4291014 | Keith et al. | Sep 1981 | |
4314557 | Chandrasekaran | Feb 1982 | |
4335115 | Thompson et al. | Jun 1982 | |
4379454 | Campbell et al. | Apr 1983 | |
4438139 | Keith et al. | Mar 1984 | |
4568343 | Leeper et al. | Feb 1986 | |
4624665 | Nuwayser | Nov 1986 |
Number | Date | Country |
---|---|---|
0013606-B1 | Jul 1980 | DEX |
0013606-A2 | Jul 1980 | GBX |
Entry |
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Nathke, I., Heller, J. and Baker, R. W., "Transdermal Delivery of Levonorgestrel" published in Proceedings of the 13th International Symposium on Controlled Release of Bioactive Materials (Chaudry, I. and Thies, C. Editors, the Controlled Release Society, Inc.) at pp. 29-30 (1986). |