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Introduced by
Kodak The Eastman Kodak Company (referred to simply as Kodak ) is an American public company that produces various products related to its historic basis in analogue photography. The company is headquartered in Rochester, New York, and is incorpor ...
in the 1956, C-22 is an obsolete process for developing color film, superseded by the
C-41 process C-41 is a chromogenic color print film developing process introduced by Kodak in 1972, superseding the C-22 process. C-41, also known as CN-16 by Fuji, CNK-4 by Konica, and AP-70 by AGFA, is the most popular film process in use, with most photofin ...
in 1972 for the launch of
110 film 110 is a cartridge-based film format used in still photography. It was introduced by Kodak in 1972. 110 is essentially a miniaturized version of Kodak's earlier 126 film format. Each frame is , with one registration hole. Cartridges with 12, ...
and in 1974 for all other formats. The development of the film material is carried out at temperatures of around 75°F (24°C), making the process incompatible with the more modern C-41 process, which uses a temperature of 100°F (38°C). C-22 uses
Color Developing Agent 3 The third in the series of color developing agents used in developing color films, commonly known as CD-3, is chemically known as N- - 4-Amino-3-methylphenyl)ethylamino.html"_;"title="-[(4-Amino-3-methylphen_...
,_unlike_C-41_which_uses_ 4-Amino-3-methylphenyl)ethylamino.html"_;"title="-[(4-Amino-3-methylphen_...
,_unlike_C-41_which_uses_Color_Developing_Agent_4">4-Amino-3-methylphenyl)ethylaminothyl">4-Amino-3-methylphenyl)ethylamino.html"_;"title="-[(4-Amino-3-methylphen_...
,_unlike_C-41_which_uses_Color_Developing_Agent_4
. The_most_common_film_requiring_this_process_is_Kodacolor_(still_photography)#Kodacolor-X.html" ;"title="Color_Developing_Agent_4.html" ;"title="4-Amino-3-methylphenyl)ethylaminothyl">4-Amino-3-methylphenyl)ethylamino.html" ;"title="-[(4-Amino-3-methylphen ...
, unlike C-41 which uses Color Developing Agent 4">4-Amino-3-methylphenyl)ethylaminothyl">4-Amino-3-methylphenyl)ethylamino.html" ;"title="-[(4-Amino-3-methylphen ...
, unlike C-41 which uses Color Developing Agent 4. The most common film requiring this process is Kodacolor (still photography)#Kodacolor-X">Kodacolor-X. C-22 film can still (as of 2020) be developed in black and white.


References

Photographic film processes {{photography-stub