Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue March 2015
 •  The Companies for Women?  •  Amway Rolls Out Indigo Skies  •  Honeywell Joins With Metabolix  •  Zirh’s luxury lounge is a hit at Super Bowl XLIX  •  Dr. Brandt Promotes Cream with Giveaway
Print

L’Oréal Patents Hair Dye



Published November 14, 2005
Related Searches: patent hair research
Post a comment
Patent No. 6,451,067 B1: L’Oréal S.A. researchers, Paris, France, patented a process for dyeing hair without oxidation using at least one compound chosen from aldehydes, ketones, quinones, diiminoisoindoline derivatives and 3-aminoisoindolone derivatives, and at least one heterocyclic cationic amine.


blog comments powered by Disqus