Transdermal patch packaging film
US11779545B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Aug 19, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2556/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A multilayer flexible film for packaging a transdermal patch product comprising a pharmaceutical active agent comprises: a product-contacting sealing layer comprising a co-polyester having a surface energy of at least 50 dyne/cm2; and one or more layers above the product-contacting sealing layer. The pharmaceutical active agent may comprise nicotine. An average adhesion force to peel the transdermal patch from the product-contacting sealing layer may be less than 100 g/inch (39.37 g/cm).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.