Adhesive microsphere drug delivery composition
US6312715A · kind A · utility
13Cited by
17References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1998 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | May 1, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Transdermal drug delivery compositions comprising pressure sensitive adhesive microspheres that contain a softening agent and/or a drug. Typically the microspheres contain at least 10 wt-% of a softening agent. The drug and/or softening agent can be incorporated into the microspheres during or after their formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.