Reactive ultraviolet absorber and application thereof
US10717714B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jul 7, 2017 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Jul 7, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A reactive UV absorber suitable for polyurethane is provided. The reactive UV absorber is a compound of formula 1:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.