Metal packaging powder coating compositions, coated metal substrates, and methods
US12173183B2 · kind B2 · utility
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109References
31Claims
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Key dates
| Filing date | Oct 24, 2023 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Oct 24, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2401/32
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Powder coating compositions, particularly metal packaging powder coating compositions, coated metal substrates, and methods; wherein the powder coating compositions include powder polymer particles comprising a polymer having a number average molecular weight of at least 2000 Daltons, wherein the powder polymer particles have a particle size distribution having a D50 of less than 25 microns; and, in certain embodiments, one or more charge control agents in contact with the powder polymer particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.