Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue March 2015
 •  Pravana To Host National Cut-A-Thon  •  Better Skin, Better Sleep  •  J&J's New Approach to Beauty  •  Pout Shout Debuts Lipcolor  •  Gibs Grooming Launches Black Cognac
Print

L’Oréal Patents Dye Composition



Published April 11, 2007
Related Searches: form patent formula composition
Post a comment

Patent No. US 7,179,301 B2: A composition for oxidation dyeing of keratinous fibers comprising at least oxidation base chosen from para-phenylenediamine derivatives containing a pyrrolidinyl group of formula and their acid addition salts.


blog comments powered by Disqus