Alkoxylated polyethyeneimine with a low melting point
US9738754B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2014 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Jul 11, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to water-soluble alkoxylated polyalkyleneimines having an inner block of polyethylene oxide comprising 5 to 18 polyethylene oxide units, a middle block of polyalkylene oxide comprising 1 to 5 polyalkylene oxide units and an outer block of polyethylene oxide comprising 2 to 14 polyethylene oxide units. The middle block is formed from polypropylene oxide units, polybutylene oxide units and/or polypentene oxide units.In addition, the present invention relates to water-soluble alkoxylated polyamines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.