Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Double secondary para-phenylenediamine compounds, dye compositions comprising same, and dyeing process using the compositions

Double secondary para-phenylenediamine compounds, dye compositions comprising same, and dyeing process using the compositions

US Patent 7396367 · Granted Jul 8, 2008

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for the cosmetic treatment of keratin materials employing a rare earth me2025
System for dispensing a cosmetic product2025
Process for dyeing or bleaching keratin fibers using particular amino acids in h2025
Method for shaping an applicator for applying a cosmetic composition2025
Process for dyeing keratin fibers using a direct dye and a saccharinate salt and2025
Hair treatment method2025
Cosmetic treatment method2024
Hair treatment process2024
Process for manufacturing a false nail2024
System for dispensing a cosmetic product2024
System for dispensing a cosmetic product2024
System for dispensing a cosmetic product2024