Film comprising a strippable sacrificial layer for reduction of surface defects in a substrate
US10106706B2 · kind B2 · utility
2Cited by
13References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2012 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Aug 24, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coextruded biaxially oriented composite film comprising a polyester substrate layer and disposed on one or both surfaces thereof a strippable sacrificial layer, wherein said strippable sacrificial layer comprises an ethylene-methacrylic acid (EMAA) copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.