prov:value
| - c acid, glycolic acid, lactic acid, maleic acid, phthalic acid, phosphoric acid, succinic acid and mixtures thereof and/or their salts, such as their ammonium salts, such as ammonium glycolate, ammonium citrate and ammonium sulfate. [0059] Additional nonlimiting examples of suitable crosslinking facilitators include glyoxal bisulfite salts, primary amine salts, such as hydroxyethyl ammonium salts,
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