Patent · US Active

Surface-treated fillers for polyester films

US11873387B2 · kind B2 · utility

1Cited by

14References

30Claims

0Family size

Assignee

OMYA INTERNATIONAL AG · CH

Inventors

Martin Brunner · Pforzheim, DE
Michael Knerr · Ridgefield, US
Michael Tinkl · Weil am Rhein, DE
Karsten Udo SCHULZ · Kriens, CH

Key dates

Filing date	Dec 19, 2017
Grant date	Jan 16, 2024
Priority date	—
Expiry date	Aug 5, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09C3/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A mono or multi-layer polyester film is described. Also described, is a process for producing the mono or multi-layer polyester film, the use of a surface-treated filler material product as a voiding agent in the mono or multi-layer polyester film, and an article including the mono or multi-layer polyester film. Further, use of the mono or multi-layer polyester film is described in packaging products, insulating materials, solar, marine or aviation applications, science, electronic or acoustic applications, wires, cables, radio frequency identifications, flexible circuits, graphic arts, stone paper, holograms, filter products, cosmetic products, household products, imaging, recording media, or industrial products.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.