Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photographic elements containing cyan dye-forming coupler having a particular formula

Photographic elements containing cyan dye-forming coupler having a particular formula

US Patent 5962198 · Granted Oct 5, 1999

Estimated economic value: $7,993,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Color photographic element containing coupler useful for forming neutral silver-2002
Formulations for dyeing keratin fibers comprising a pyrazolotriazole coupler and2001
Pyrazolotriazle dye-forming photographic coupler2000
Photographic element containing a cyclic azole coupler and an anti-fading agent 2000
Photographic element2000
Photographic element containing pyrazoloazole coupler and a specific anti-fading2000
Photographic element containing pyrazoloazole coupler and a specific anti-fading2000
Photographic element containing specific magenta coupler2000
Photographic element containing pyrazoloazole coupler and a specific anti-fading2000
Photographic element containing pyrazoloazole coupler and a specific anti-fading2000
Photographic element containing pyrazoloazole coupler and a specific anti-fading2000
Photographic yellow dye-forming couplers2000