Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation

Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation

US Patent 6645258 · Granted Nov 11, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for straightening keratin fibres with a heating means and denaturing age2022
Method for straightening keratinous fibers using heating means and an aromatic c2021
Method for straightening keratinous fibers using heating means and malic acid2021
Peptides of use in the preventive and curative treatment of alopecia2021
Ordered macroporous materials2020
Process for cosmetic treatment of keratin materials2020
Method for straightening human hair fibers using heating means and an a-keto aci2020
Anhydrous soft solid composition based on particles encapsulating a beneficial a2020
Anhydrous oil based on particles encapsulating a beneficial agent2019
Method for straightening keratinous fibres using heating means and an amide2018
Anhydrous solid composition based on particles encapsulating a beneficial agent2018
Process for relaxing keratin fibres2017