Adhesive material and adhesive preparation
US8394404B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2005 |
| Grant date | Mar 12, 2013 |
| Priority date | — |
| Expiry date | Aug 6, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7053
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides an adhesive material to be adhered to the skin etc., which maintains, for a certain time period after adhesion thereof to the skin surface, suitable adhesiveness that does not allow easy peeling or cause irritation to the skin, and which permits, when it is to be peeled off from the skin surface after the lapse of a desired certain time period, easy peeling without causing pain or physical irritation, and an adhesive preparation containing the adhesive material and a percutaneously absorbable drug in the adhesive layer. Specifically, the present invention provides an adhesive material containing a support and an adhesive layer laminated on one surface of the support, wherein the adhesive layer has an apparent viscosity at 30° C. of 0.2×104 to 10×104 Pa·s and comprises two kinds of synthetic rubbers having different flowability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.