Keller-Dorian cinematography was a French technique from the 1920s for filmingmovies incolor, using alenticular process to separatered,green andblue colors and record them on a single frame of black-and-white film. Keller-Dorian was primarily a manufacturer of paper and aluminum foil (tin foil).[1] It was granted 38 patents.[2] While researching how to create dies to color aluminum foil, they accidentally stumbled on this cinematography technique. Thisadditive color system differs from other systems, for example,Technicolor, which divided the colors into more than one frame on one or more pieces of film.
The system was used to film several scenes ofAbel Gance'sNapoléon (1927) andLa Femme et le Pantin byJacques de Baroncelli (1928). However, theprojection of this process inmovie theaters seems to have been more difficult, so neither of these films was ever presented using this technique. Also, makingprints was described by one source as "impossible."
This process was used byEastman Kodak for the motion picture processKodacolor, introduced in 1928 as the first amateur filmmaker's16mm film color process available for thehome movie market.
The company was founded by Albert Keller-Dorian and Léon Silvin, grandfather ofRichard René Silvin. They were pioneers in employee benefits, and building housing compounds, which included low cost cafeterias adjacent to the factory inLyon, France.
Upon the death of Léon Silvin in 1928, his sons, John Léon Silvin and Charles Silvin, inherited the patents.[3] In about 1929Ludwig Blattner bought the rights for the use outside the USA of the Keller-Dorian process,[4] and this process was then known as the Blattner Keller-Dorian process,[5] which lost out to rival colour systems.
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