31371147chromogenic processesPT2026-03-30 20:40:05UF31371148colour coupler processesNDUF31371149colour couplers processesNDUF31371150colour dye coupler processesNDUF31371151chromogenic development processesNDUF31371152chromogenic systemNDUF31371153color coupler processesNDUF31371154color couplers processesNDUF31371155color dye coupler processesNDUF31371156dye coupler processesNDUF31371157dye couplingNDUF31371158dye coupling processesNDUF31371159dye-couplingNDBT31340468subtractive color processesPTNT31409980Kodachrome (TM)PTNT31409981Kodacolor (TM)PTNT31409983Ektachrome (TM)PT