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 film photography. The company is headquartered in Rochester, New York, and is incorporated i ...
in 1956, C-22 is an obsolete process for developing color film, superseded by the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, if ...
in 1972 for the launch of
110 film
110 is a cartridge-based film format used in photography, 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 pin, registrati ...
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
, unlike C-41, which uses
4-Amino-3-methylphenyl)ethylamino">-[(4-Amino-3-methylphenyl)e ...
, 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.