Patent · US Active

Solubility of cellulose in ionic liquids with addition of amino bases

US7754002B2 · kind B2 · utility

97Cited by

4References

7Claims

0Family size

Assignee

BASF SE

Inventors

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

Key dates

Filing date	Apr 12, 2006
Grant date	Jul 13, 2010
Priority date	—
Expiry date	Dec 30, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/54
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a solution comprising cellulose, an ionic liquid comprising anions and cations as solvent and 6-30% by weight of a nitrogen-comprising base, based on the total weight of the solution, its preparation and also its use for the physical or chemical treatment of cellulose.

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