Anti-curling film
US11760853B2 · kind B2 · utility
0Cited by
5References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2021 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Apr 20, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2335/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An anti-curling film is provided. The anti-curling film includes a first portion and a second portion covering the first portion. The first portion includes polylactic acid (PLA), polycaprolactone (PCL), polyethylene glycol dimethacrylate (PEGDMA) and a photoinitiator. The second portion includes polycaprolactone (PCL), gelatin, hyaluronic acid (HA), alginate (AA), polyvinyl alcohol (PVA) or a combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.