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S.C. Johnson Patents Cleaner With Chitosan

November 22, 2005

Patent No. US 6,849,586 B2: S.C. Johnson & Son, Inc., Racine, WI, patented a hard surface cleaner containing a surfactant; a poly D-glucosamine selected from chitosan and salts of chitosan; an acid; a disinfectant; a glycol ether solvent; a cellulose thickener and water.
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