Company News, Patents

Wella Earns Patent for Benzene Derivatives and Colorants

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By: TOM BRANNA

Editor

Patent No. US 6,936,077 B2: Darmstadt, Germany-based Wella earned a patent for a 1,3-diamino-4-(aminomethyl)-benzene derivative compound of the formula, or a physiologically tolerated, water-soluble salt.

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