Patent · US Active

Quaternized polyethylenimines with a high quaternization degree

US9068147B2 · kind B2 · utility

4Cited by
19References
5Claims
0Family size

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Key dates

Filing dateMay 9, 2013
Grant dateJun 30, 2015
Priority date
Expiry dateJul 23, 2033

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H17/56
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to an ethoxylated polyethylenimine polymer consisting essentially of (a) a polyethyleneimine backbone, (b) a polyoxyethylene chain wherein the polyoxyethylene chain has an average of 1 to less than 40 ethyleneoxide units per unit of NH in the polyethyleneimine backbone, (3) a quaternization degree of from 50% to 100%.

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