Number | Date | Country | Kind |
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96 08173 | Jul 1996 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3149042 | Habicht et al. | Sep 1964 |
Entry |
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A.C. Williams et al., "Urea Analogues in Propylene Glycol as Penetration Enhancers in Human Skin," Int'l Jour. of Pharm., vol. 36, 1989, pp. 43-50. |
Derwent Abstract of EP 383024. |
Derwent Abstract of DE 27 03 185. |
Derwent Abstract of NL 7414311. |