Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids

Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids

US Patent 5804447 · Granted Sep 8, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Heteroleptic carbene complexes and the use thereof in organic electronics2025
Highly efficient OLED devices with very short decay times2025
Heteroleptic carbene complexes and the use thereof in organic electronics2024
Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof 2023
Highly efficient OLED devices with very short decay times2023
Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications2023
Monosubstituted diazabenzimidazole carbene metal complexes for use in organic li2023
4H-imidazo[1,2-a]imidazoles for electronic applications2022
2-phenylphenoxy-substituted perylene bisimide compounds and their use2022
Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof 2022
1,6,7,12-tetra-(2-isopropylphenoxy)-substituted perylene tetracarboxylic acid di2022
Cyanoaryl substituted benz(othi)oxanthene compounds2022