Microneedle array with active ingredient
US11065428B2 · kind B2 · utility
1Cited by
20References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2018 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Feb 16, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C33/42
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Microneedle arrays for introducing an active ingredient through a skin surface of a subject can include a base layer, a plurality of microneedles projecting from the base layer, and an active ingredient. Each of the microneedles comprises an elongate body having a proximal portion and a distal portion, in which the proximal portion is attached to the base layer. Each of the microneedles comprises at least one dissolvable polymer. The active ingredient is incorporated in the elongate body, and the active ingredient is present only in the distal portion and at least internally in the distal portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.