Metal packaging powder coating compositions, coated metal substrates, and methods
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United States of America Patent
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Dec 5, 2023
Grant Date -
Jul 21, 2022
app pub date -
Dec 30, 2021
filing date -
Nov 14, 2019
priority date (Note) -
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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.
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