Protective film
US12404429B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 2023 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Jul 5, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A protective film comprising a release liner, a pressure sensitive adhesive layer, and a base material film laminated in this order in a thickness direction thereof, wherein the base material film contains polyurethane or poly(vinyl chloride), and information is printed on an opposite side, of the release liner, from the pressure sensitive adhesive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.