Composition and process for waterproofing leather
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Jan 17, 2022
filing date -
Jan 18, 2021
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Abstract
The present invention relates to a novel composition for waterproofing leather, hides and/or pelts comprising a carboxyl-functional polysiloxane or an epoxide-functional polysiloxane and a polymer dispersion that contains 2 to 35 weight % of carboxylic groups, preferably a polyacrylate dispersion, to obtain leather that has a good water resistance according to ISO DIN EN ISO 5403-2 and DIN EN ISO 5403-1.
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