Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue October 2015
 •  Call for Presentations at 'Naturally Kiawah'  •  Special Delivery  •  Key Dates Ahead of 29th IFSCC  •  Inquire Within  •  Glamsquad Secures More Funding

Hair Dye Patented with

Published November 14, 2005
Related Searches: form read mix research
Post a comment
Patent No. US 6,558,433 B2: Swiss researchers for Wella AG, Darmstadt, Germany, were awarded a hair dye patent comprising the following steps: providing an oxidation dye precursor composition that has at least one coupler compound and at least one developer compound; mixing the oxidation dye precursor composition with an oxidizing agent to form a ready-to-apply dye mixture and applying to hair.

blog comments powered by Disqus