Patent · US Active

Cellulose solutions in ionic liquids

US7749318B2 · kind B2 · utility

6Cited by

4References

8Claims

0Family size

Assignee

BASF SE

Inventors

Matthias Maase · Speyer, DE
Veit Stegmann · Mannheim, DE

Key dates

Filing date	Apr 7, 2006
Grant date	Jul 6, 2010
Priority date	—
Expiry date	Sep 2, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2989
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a solution comprising cellulose and an ionic liquid comprising anions and cations as solvent, wherein the cations comprise at least one atom selected from the group consisting of nitrogen, oxygen, sulfur and phosphorus which is present in protonated form, its preparation and use for physical and chemical treatment.

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