Self-adhesive device for the percutaneous administration of an active ingredient
US4842864A · kind A · utility
5Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1988 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Mar 25, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7053
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a novel self-adhesive matrix for the percutaneous administration of an active ingredient. This matrix comprises a combination of the following: PA0 (a) 40 to 60 parts by weight of an ethylene/vinyl acetate copolymer material, PA0 (b) 40 to 60 parts by weight of a higher aliphatic monoalcohol compound, PA0 (c) 1 to 20 parts by weight of a cellulose derivative material, PA0 (d) 0.1 to 8 parts by weight of a polyhydric alcohol compound, and PA0 (e) 0.01 to 10 parts by weight of an active ingredient which can be administered percutaneously, the weight ratio a+c/b+d being between 0.7 and 1.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.