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Home › Process for the preparation of aqueous emulsions, stable in storage, of N.alkyl-N-alkylol-ureas and their application for the softening of leather

Process for the preparation of aqueous emulsions, stable in storage, of N.alkyl-N-alkylol-ureas and their application for the softening of leather

US Patent 4289665 · Granted Sep 15, 1981

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