Patent · US Active

Multifilament polyester fibres

US11208738B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

OMYA INTERNATIONAL AG · CH

Inventors

Martin Brunner · Pforzheim, DE
Christoph Hirsiger · Koppigen, CH
Francesco Pullega · Bologna, IT
Samuel Rentsch · Aarburg, CH
Michael Tinkl · Weil am Rhein, DE

Key dates

Filing date	Jun 18, 2015
Grant date	Dec 28, 2021
Priority date	—
Expiry date	Sep 28, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/265
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention concerns a multifilament fibre comprising at least one polymer comprising a polyester, and at least one filler comprising calcium carbonate. The present invention further relates to a process of producing such a multifilament fibre as well as the use of calcium carbonate as filler in a multifilament fibre comprising at least one polymer comprising a polyester.

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