Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ready-to-use composition for oxidation dyeing of keratin fibers comprising at least one fatty substance chosen from fatty amides and fatty acid esters, at least one dye precursor, at least one oxidizing agent and optionally at least one alkaline agent, and methods and kits therewith

US Patent 7988737 · Granted Aug 2, 2011

Assignee

Inventors

View full patent text on Google Patents →