Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Skin tanning composition and method

Skin tanning composition and method

US Patent 4968497 · Granted Nov 6, 1990

Estimated economic value: $120,647,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Odorless thiols for permanent waving, straightening and depilatory applications2025
Method for colouring hair including pretreatment2025
Oxidative dye couplers with novel auxochrome substituents and azomethine dyes an2022
Keratin dyeing compounds, compositions containing them, and method and use there2021
Hair colouration formulation2020
Cationic direct dyes2019
Stable yellow imidazolium compounds2018
Method of coloring hair with washfast blue imidazolium direct dye compounds2018
Hair color compositions comprising stable violet-blue to blue imidazolium dyes2018
Acid perspiration resistant fluorescent compounds for treating hair2018
Method of coloring hair with washfast yellow imidazolium direct dye compounds2018
Method for improving acid perspiration resistance of fluorescent compounds on ha2018