Company News, Patents

Recent Hair Color Patents

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By: TOM BRANNA

Editor

  Here are several hair color patents that were recently awarded by the US Patent Office. Procter & Gamble Company has patented an oxidative hair coloring composition (Patent No. 8,382,854 B2) comprising a non-ammonia alkalizing agent selected from the group consisting of monoethanolamine, diethanolamine, triethanolamine, monopropanolamine, dipropanolamine, tripropanolamine, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-methyl-1-propanol, 2-amino-2-hydroxymethyl-1,3-p...

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