Flexible substrates with chemical and moisture resistance
US11654667B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2020 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Dec 2, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2553/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Flexible packages, transdermal drug delivery devices, and methods for fabricating packages are provided. An exemplary flexible package includes a chemical and moisture resistant layer formed from poly(chlorotrifluoroethylene-co-vinylidene fluoride) (“P(CTFE-co-VDF)”) copolymer. Further, the exemplary flexible package includes a substance to be delivered. The substance is applied to or enclosed by the chemical and moisture resistant layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.