Aqueous polyurethane dispersion
US11542376B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Jun 25, 2018 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Jun 25, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/54
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is an aqueous composition comprising dispersed particles that comprise a polyurethane, wherein said polyurethane is a reaction product of a group of reactants (GR1), wherein GR1 comprises one or more aromatic polyisocyanates and, a polyol component, wherein said polyol component comprises Also provided is a method of bonding a metal foil to a polymer film using such an aqueous composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.