Society of Motion Picture Engineers : incorporation and by-laws (1925)

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152 Transactions of S.M.P.E., March 1926 Claim 26: The process of forming a photographic record of Hghts and shades capable of use as a transfer printing plate, which comprises hardening portions of emulsion adjacent to the light sensitive content of a photographic emulsion mounted on and exposed through a transparent carrier to lights and shades of a photographic negative, by treating said emulsion with an agent adapted to harden said emulsion by reaction with the light affected sensitive content of the emulsion, and with a neutralizing agent for said hardening agent, the relative proportions of said hardening and neutralizing agents being such as to control selectively the effective area of influence of the hardening agent but to an extent less than the complete neutralization of said hardening agent, removing the unhardened portions of emulsion, coloring said hardened portions, and placing said colored portions in contact with a substance adapted to take the coloring matter from said hardened portions. Robert John, U. S. No. 1,453,258. April 24, 1923. Filed Oct. 23, 1919 Shepherd and Bartlett, U. S. No. 728, 310. May 19, 1903 William V. D.Kelley, U. S. No. 1,505,787. Aug. 19, 1924 Claim 1 : A transparent carrier coated with gelatine having a reduced silver image and a dye impressed color representation of the reds in the original subject. Loren E. Taylor, U. S. No. 1,518,945. Dec. 9, 1924 Claim 1: The process of coloring motion picture films comprising taking a positive print from an original negative by printing with their emulsion sides in contact, projecting successive views of said positive each on to a mat of non-actinic color in sequence, the emulsion side of said positives being towards the projecting light, making drawings on said mats in actinic colors. On the areas of said views it is desired to tint with one color, thence exposing successive portions of an unexposed negative film to each of said mats so the successive drawings will be impressed thereon in the sequence in which they were produced, developing said negative and making a positive print therefrom by printing with the celluloid side of the positive in contact with the emulsion side of the negative, developing said positive and treating it so the emulsion over the areas thereon corresponding to those of the drawings will absorb moisture and the remaining areas will be impervious thereto, applying dye to