Patent · US Active

Anti-curling film

US11760853B2 · kind B2 · utility

0Cited by
5References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2021
Grant dateSep 19, 2023
Priority date
Expiry dateApr 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.