Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of high dye-yield couplers and intermediates useful therein

Preparation of high dye-yield couplers and intermediates useful therein

US Patent 6172260 · Granted Jan 9, 2001

Estimated economic value: $7,334,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Clothing treatment apparatus and method for controlling same2025
Drying apparatus and method of controlling same2025
Drying apparatus and method of controlling same2025
Vehicle key and method of manufacturing the same2023
Control fluid power apparatus and related methods2017
Polymer composite strut insulator and suspension system for vehicle applying the2016
Tunable-wavelength optical filter and method of manufacturing the same2013
Sound transmission system2012
MEMS package and packaging method thereof2011
Automatic radioactivity analyzer of mixed liquid beta emitter2009
Multi-core fuel rod for research reactor and manufacturing method thereof2008
Tunable-wavelength optical filter and method of manufacturing the same2008