Sterically hindered amine and oxyalkyl amine light stabilizers
US10450332B2 · kind B2 · utility
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Key dates
| Filing date | Aug 28, 2018 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Aug 28, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K9/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compounds having hindered amine and oxyalkyl amine light stabilizers can mitigate the adverse effects of actinic radiation, such as visible and ultraviolet light, in particular on substrates such as glass or ceramic substrates. Polymers derived from such compounds. Nanoparticles, substrates, such as glass or ceramic substrates, or both nanoparticles and substrates, having such compounds affixed thereto. Articles containing at least one of such polymers, nanoparticles, substrates, or compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.