Patent · US Active

Quaternized polyethulenimines with a high ethoxylation degree

US8754027B2 · kind B2 · utility

3Cited by

10References

3Claims

0Family size

Assignee

BASF SE

Inventors

Rainer Dobrawa · Stuttgart, DE
Sophia Ebert · Mannheim, DE
Stefano Scialla · Cincinnati, US
Frank Hulskotter · Bad Dürkheim, DE
Gloria Di Capua · Ardea, IT
Patrick Delplancke · Strombeek-Bever, BE
Marc Evers · Strombeek-Bever, BE

Key dates

Filing date	May 9, 2013
Grant date	Jun 17, 2014
Priority date	—
Expiry date	May 9, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/05
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to an ethoxylated polyethylenimine polymer comprising (1) a polyethyleneimine backbone, (2) a polyoxyethylene chain wherein the polyoxyethylene chain has an average of 40 to 90 ethyleneoxide units per unit of NH in the polyethyleneimine backbone, (3) a quaternization degree of from 1% to less than 50%.

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