Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue Wipes 2014
Print

Composition for Dyeing Fibers Patented By L’Oréal



Published November 2, 2007
Related Searches: patent composition
Post a comment
Patent No. US 7,285,137 B2:
A composition for dyeing keratinous fibers comprising, in an appropriate dyeing medium, at least one oxidation base chosen from diamino-N,N-dihydropyrazolone derivatives has been patented by L’Oréal Paris, France.


blog comments powered by Disqus