Adhesive patch for percutaneous delivery of isosorbide dinitrate
US5419912A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 1994 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | May 16, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An adhesive patch for percutaneous delivery of isosorbide dinitrate includes a piece of separating paper; a percutaneous salve preparation which is solvent free and which is comprised of: (a) isosorbide dinitrate; (b) a percutaneous absorption accelerator which is at least one substance selected from the group consisting of a chained monocarboxylate and a higher alcohol; and (c) a tackifier composition as an additive, wherein the chained monocarboxylate is selected from the group consisting of isopropyl palmitate, isopropyl myristate, cetyl lactate, diethyl sebacate, xylol laurate, cetyl isooctanoate and lauryl lactate, wherein the higher alcohol is selected from the group consisting of cetanol, stearyl alcohol, lauryl alcohol, cetostearyl alcohol and myristyl alcohol, and wherein the percutaneous absorption accelerator is present in an amount ranging between 3 and 12 wt % if a chained monocarboxylate is used and between 1 and 3 wt % if a higher alcohol is used; and a surface coating material which is polymeric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.