Gradual permanent coloring of hair using dye intermediates dissolved in alkaline water with fatty alcohol
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 18, 2004
Grant Date -
Sep 18, 2003
app pub date -
Mar 12, 2002
filing date -
Mar 12, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.) below: a.) contacting said hair, for a period of about 5 seconds to about 5 minutes with a recently made mixture of: part ai: dye intermediates in water and fatty alcohol at alkaline pH, part aii: an oxidizing compound such as hydrogen peroxide in water at acidic pH b.) rinsing said mixture from said hair with water; and wherein said number of treatments is between about 2 to about 30; and wherein said set time interval between each two consecutive treatments is between about 8 hours and 30 days.
First Claim
Family
International Classification(s)
- No Non-US Classification to display
Cited Art Landscape
Patent Citation Ranking
- No Patent Citation Ranking to display
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully