Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue May 2015
 •  Ethanolamine Prices Rise in Europe  •  L'OrĂ©al Paris, MRA Unveil Public Health Campaign  •  Lumene Names New CEO  •  Glamsquad Teams Up With Essie  •  Black Opal Lauded by Essence
Print

Wella Patents Dyeing Agents



Published November 3, 2006
Post a comment
Wella Patents Dye Agents
● Patent No. US 7,122,061 B2: A colorant for oxidative dyeing of keratin fibers, particularly human hair, based on a developer-coupler combination, has been patented by Wella AG, Darmstadt, Germany. ●


blog comments powered by Disqus