Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“Between 1970 and 1976, Agfa-Gevaert produced its own silver dye-bleach printing material on a white-pigmented acetate base called Agfachrome CU 410. Only available to a few photofinishers in Germany, it was used to print amateurs’ ...
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 218.
Béla Gaspar (Gasparcolor Naturwahre Farbenfilm GmbH, Berlin)
Subtractive 3 color: silver dye-bleach multilayer print film, still photography and film
Gasparcolor was the first three-color multi-layer monopack film available for practical use. It was a double-coated print film with a cyan layer on one side and two layers dyed magenta and yellow on the other side (see illustrations).
Uit het rijk der kristallen (NDL 1927?, J.C. Mol). Credit: EYE Film Museum. Photographs of the Dufaycolor and Gasparcolor nitrate print by Barbara Flueckiger.
Kreise (English title Circles) (Oskar Fischinger, GER 1933-34) Oskar Fischinger's own nitrate print. Credit: Library of Congress, (c) Fischinger Trust, courtesy Center for Visual Music. Photograph Fischinger's own nitrate print by Barbara Flueckiger.
Credit: (c) Fischinger Trust, courtesy Center for Visual Music. Film: Allegretto by Oskar Fischinger (1936-1943).
Credit: (c) Fischinger Trust, courtesy Center for Visual Music. Film: Gasparcolor tests by Oskar Fischinger, c. 1933-34.
Credit: Cinémathèque suisse. Film: Komposition in Blau (Composition in Blue) AKA Lichtkonzert Nr. 1 (Light-Concert No. 1) (GER 1935, Oskar Fischinger).
Source: Coe, Brian (1981): The History of Movie Photography. Westfield, N.J.: Eastview Editions.
Color chart on Agfa Tripofilm. This was the raw stock used for Gasparcolor in Germany until about 1939. Source: Arens, Hans; Heymer, Gerd (1939): Die „Agfa-Farbentafel für Farbenphotographie“. In: Veröffentlichungen des wissenschaftlichen Zentral-Laboratoriums der photographischen Abteilung Agfa, Vol. 6, 1939, pp. 225-229. Leipzig: Hirzel. Photograph by Barbara Flueckiger.
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 213.
Bela Gaspar; manufactured by Ansco (1944–46), manufactured by Etablissement Bauchet (1953–1955)
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography and film
“In 1944 he launched a new reflection printing material on a white-pigmented acetate base called Gasparcolor Opaque, which was, initially and for the duration of the war, available only to the U.S. military. The processing of Gasparcolor Opaque ...
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 235.
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 228.
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography and film
“The materials and processes described thus far have been either unsuccessful or short-lived for one reason or another; the trend changed with the launch of Cibachrome in the 1960s. The product and its subsequent forms dominated the silver ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 216.
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“Between 1934 and 1941 Eastman Kodak developed a silver dye-bleach printing material called Azochrome. In 1941 it announced the launching of Azochrome but held back the product at the onset of World War II. After the war, the company decided to ...
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“In 1956, after the failure of the French venture, Gaspar resumed his own production of printing materials and chemicals (Koshofer 1981a). In the late 1950s he entered into an agreement with 3M Company of St. Paul, Minnesota, to explore the ...
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“In November 1953 Ilford Limited of London launched a mail-order service to supply color prints from 35mm transparencies using Ilford Colour Print, a silver dye-bleach printing material on white-pigmented cellulose triacetate support (Fig. ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 215.
Subtractive 3 color: dye destruction process, monopack silver dye-bleach, still photography and film
Karl Schinzel proposed a multi-layered monopack for still photography, based on the principle of the dye-bleach process which was later elaborated to a practical application with Gasparcolor.
“Probably the first use of the catalytic property of silver was in 1889, when E. Howard Farmer disclosed the action of a silver image upon strong dichromate solutions (Eng. P. 17773/89). When a plate or film, containing a silver image, is immersed ...