Urea-terminated polyurethane dispersants
US9410010B2 · kind B2 · utility
4Cited by
38References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Nov 9, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D17/001
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to urea-terminated polyurethanes dispersants based on diols and polyether diols, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants. The urea termination can have nonionic hydrophilic substituents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.