Adhesive compositions, controlled release compositions and transdermal delivery device
US4898920A · kind A · utility
27Cited by
27References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1987 |
| Grant date | Feb 6, 1990 |
| Priority date | — |
| Expiry date | Oct 15, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J183/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Adhesive compositions comprising blends of polyethylene oxide-grafted silicone polymers with resinous copolymers are disclosed. The adhesive compositions enhance release, in a controlled fashion, of bioactive or chemical agents blended or otherwise dispersed through the compositions. Transdermal drug delivery devices incorporating the adhesive compositions are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.