Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photographic recording material

Photographic recording material

US Patent 4978607 · Granted Dec 18, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Production of light polarizing films1994
Photographic silver halide element with protective layer1992
Photographic silver halide element with protective layer1992
Process for the preparation of reagent layers containing hydrophobic reagents1991
Process for hardening layers containing proteinaceous binders1991
Multilayered color photographic material having an alkali soluble interlayer1990
Photographic recording material containing polyester compounds having free acid 1990
Photographic recording material1990
Photographic material1990
Hardeners for proteins, a layer of binder hardened therewith and a photographic 1990
Process for the preparation of sulfoalkyl quaternary salts and for the productio1989
Photographic dye diffusion transfer process and color photographic recording mat1989