Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
FG

Frederic Guerin

L'L'Oreal: 2 patents #64 of 411Top 20%
Overall (2021): #162,127 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11007131 Dyeing composition comprising a direct dye of triarylmethane structure, and a silicone Valérie Nicou, Maria Nieto 2021-05-18
11000464 Dyeing composition at acidic pH comprising a direct dye of triarylmethane structure Valérie Nicou, Maria Nieto 2021-05-11