Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photographic silver dye bleach materials containing formyl-substituted azo compounds as image dyes

Photographic silver dye bleach materials containing formyl-substituted azo compounds as image dyes

US Patent 4575482 · Granted Mar 11, 1986

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Externally retractable sunroof1988
Oil-soluble disazo dyes and their use in color-photographic recording materials 1985
Azo dyes containing phosphamic acid diester groups1984
Monoazo dyes containing phosphamic acid diester groups1983
Color-photographic recording material for the silver dye bleach process1983
Quinoxalines and their use in photographic processes1982
Process for the prevention of darkening and the formation of a sediment in photo1981
Quinoxaline bleach catalysts1980
Quinoxalines and their use in photographic processes1980