Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Nondiffusible photographic couplers and photographic elements and processes employing same

Nondiffusible photographic couplers and photographic elements and processes employing same

US Patent 4443536 · Granted Apr 17, 1984

Estimated economic value: $16,874,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photographic material and process employing a development inhibitor releasing co1994
Photographic elements containing removable couplers1992
Photographic elements containing removable couplers1991
Nondiffusible photographic couplers and photographic elements and processes empl1985
Shifted photographic dyes and compositions, elements and processes employing the1980
Shifted photographic dyes and compositions, elements and processes employing the1980