176577 ⎘
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes; Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials Colour coupling substances
Sub-classes:Black and white photothermographic material
#2Silver halide color photographic light-sensitive material and image forming method
#3Black and white photothermographic material
#4Black and white photothermographic material and image forming method
#5Photothermographic material
#6Image forming method using photothermographic material
#7Silver halide color photographic sensitive material and it image forming method
#8Black-and-white thermographic material containing dye-forming chemistry
#9Silver-free black-and-white thermographic materials containing a benzoquinone and methods of imaging
#10Digital film processing method