Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby
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United States of America Patent
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Sep 29, 2020
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Oct 17, 2019
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Dec 23, 2015
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Abstract
Methods for treating cellulosic materials comprising introducing a liquid treating composition into the cellulosic material, the treating composition comprising an aqueous alkaline copper-containing solution comprising copper tetraammine carbonate; and exposing the cellulosic material provided thereby to carbon dioxide to provide treated cellulosic material.
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