| 摘要 |
1,227,550. Silver halide elements. FUJI SHASHIN FILM K.K. Sept. 20, 1968 [Sept. 22, 1967], No.44917/68. Heading G2C. Photographic silver halide elements contain (as anti-foggant) (i) iodic or periodic acid or water-soluble salt, and (ii) an optionally substituted benzene sulphinic acid or salt. Preferably (i) and (ii) are acids or NH 4 or alkali-metal salts, and (ii) is optionally substituted by halogen, NH 4 or C 1-3 alkyl. |
