Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for production of black coloring material and cosmetics containing said black coloring material and use thereof

Process for production of black coloring material and cosmetics containing said black coloring material and use thereof

US Patent 5358538 · Granted Oct 25, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Combined pharmaceutical formulation comprising drug-containing liposome composit2025
Combined pharmaceutical formulation comprising drug-containing liposome composit2025
Gas diffusion electrode medium and method for producing the same, gas diffusion 2023
Decorative sheet and seat2020
Carbon fiber nonwoven fabric, production method for carbon fiber nonwoven fabric2019
Fiber-reinforced composite material and process for producing fiber-reinforced c2018
Carbon-fiber nonwoven cloth and gas diffusion electrode for polymer electrolyte 2017
Radiation image conversion panel2017
Radiographic image conversion panel and radiographic image detector2016
Scintillator panel and radiation detector2016
Radiation image conversion panel and radiation image detector using same2013
Radiation image conversion panel2011