Quaternized polyethylenimines with a high quaternization degree
US9068147B2 · kind B2 · utility
4Cited by
19References
5Claims
0Family size
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Key dates
| Filing date | May 9, 2013 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | Jul 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.