Solvent free aqueous polyurethane dispersions and methods of making and using the same
US9617453B2 · kind B2 · utility
2Cited by
44References
45Claims
0Family size
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Key dates
| Filing date | Dec 6, 2010 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Aug 8, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/758
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Substantially solvent-free aqueous polyurethane dispersions and methods of making and using the same are provided. The substantially solvent-free aqueous polyurethane dispersions are provided in a substantially solvent-free system of a prepolymer made by reacting at least one polyol, at least one polyisocyanate, at least one isocyanate-reactive compound comprising one or more ionic or potential ionic groups, and at least one isocyanate chain terminating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.