Photographic material contg. new oxonol dye to enhance definition
摘要
A new photographic material with a support and /- one light sensitive silver halide emulsion layer contains /- one cpd. of the following general formula R1,R2 = opt. substd. furyl or thienyl gp.; R3,R4 = aryl substd. with /- two sulpho gps.; L = CH or CR5; R5 = 1-4C alky; n = 0,1 or 2. Also claimed is a new oxonol dye of the general formula (I).