Catalytic activation of cobalt complex imaging by cobalt sulfide
Chemically sensitized aqueous-based photothermographic...
Chromogenic process for the production of color images using a c
Co-developers for black-and-white photothermographic elements
Color image formation method
Color image formation method using silver halide...
Color photographic element having improved contrast and...
Color photothermographic element comprising a dye-forming...
Conductive underlayers for aqueous-based thermally...
Covering power photothermographic material and process