Surface-treated fillers for biaxially oriented polyester films
US11326041B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2017 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Aug 29, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A mono or multi-layer biaxially oriented polyester film is described. Also described, is a process for producing the mono or multi-layer biaxially oriented polyester film. Uses of a surface-treated filler material product as a voiding agent in the mono or multi-layer biaxially oriented polyester film, an article that includes the mono or multi-layer biaxially oriented polyester film as well as the use of the mono or multi-layer biaxially oriented polyester film in packaging products are also described. The packaging products can include: paper and glass coverings, insulating materials, solar, marine and aviation applications, science, electronic and acoustic applications, wires, cables, radio frequency identifications, flexible circuits, graphic arts, filter products, cosmetic products, household products, imaging and recording media, or industrial products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.