| abstract |
Light-sensitive photographic materials, preferably containing light-sensitive silver halide emulsion layers, can be spectrally sensitized by new sensitizing dyes which are derivatives of 5Beta -carboxyvinylthiazole and have the formula: WHEREIN THE SYMBOLS RI, RII, RIII, RIV, RV, RXI, X and n have the meaning given in the description. This application is a continuation of the copending, now abandoned, U.S. application Ser. No. 47,157 filed June 17, 1970 entitled ''''Spectrally Sensitized Light-Sensitive Photographic Material. |