Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photographic recording material containing a developer compound

Photographic recording material containing a developer compound

US Patent 4438195 · Granted Mar 20, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Color photographic recording material containing color couplers1992
Color photographic recording material containing color couplers1992
Process for the preparation of reagent layers containing hydrophobic reagents1991
Iron complexes and bleaching baths containing same1991
Process for troublefree coating of hydrophobic materials with polyurethanes1990
Color photographic recording material containing a dir-coupler1990
Photographic recording material1989
Hardeners for proteins, a binder layer hardened therewith and a photographic rec1989
Color photographic recording material containing a yellow DIR coupler1989
Hardened proteinic binder layer1989
Color photographic recording material containing a yellow DIR coupler1989
Color photographic recording material capable of being developed by heat treatme1989