Patent · US Active

Regenerated cellulose fiber

US11124629B2 · kind B2 · utility

0Cited by

16References

8Claims

0Family size

Assignee

KELHEIM FIBRES GMBH · DE

Inventors

Walter Roggenstein · Glückstadt, DE
Frank Hermanutz · Leonberg, DE
Philipp Wimmer · Regensburg, DE

Key dates

Filing date	Dec 4, 2013
Grant date	Sep 21, 2021
Priority date	—
Expiry date	Dec 4, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/60
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a regenerated cellulose fiber which contains a hydrophobic substance selected from the group consisting of alkyl ketene dimers, alkenyl ketene dimers, alkyl succinic anhydrides, alkenyl succinic anhydrides, alkyl glutaric acid anhydrides, alkenyl glutaric acid anhydrides, alkyl isocyanates, alkenyl isocyanates, fatty acid anhydrides as well as mixtures thereof incorporated in the cellulose matrix.

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