| 摘要 |
1,236,793. Purifying gelatin. FUJI SHASHIN FILM K.K. 1 May, 1968 [4 May, 1967; 10 May, 1967], No. 20688/68. Heading C3H. [Also in Division G2] Photographic gels, particularly gelatino silver halide emulsions, are purified by forming a thin film of a gellable dispersion or emulsion, gelling by cooling and then contacting with cold water. The process may be effected on the apparatus of Specification 1,236,794. |
