BARRIER LAYER FOR CELLULOSE SUBSTRATE
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United States of America Patent
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Issued Date -
Jul 4, 2024
app pub date -
Apr 12, 2022
filing date -
Apr 29, 2021
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Abstract
A barrier layer applied to a cellulose substrate to protect sensitive substances. The cellulose substrate is coated with the barrier layer composition. An aqueous mineral suspension and an aqueous composition for preparing the barrier layer composition includes a polymeric stabilising agent prepared from (meth)acrylic acid and a polyalkoxylated methacrylic derivative.
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