Polyurethane coating composition
US11566147B2 · kind B2 · utility
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21Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 4, 2018 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Oct 8, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2503/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A two-component polyurethane coating composition is described. The composition includes a multifunctional isocyanate component and a multifunctional polyol component. The polyurethane described herein is an overindexed composition that may be used as a tiecoat in a conventional recoat or refinish process. The described composition provides improved adhesion between an aged coat and a newly applied coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.