Originally Posted by silvergrahm
Kodacolor X is C-22, so I wouldn't try to process it c-41. Don't know what c-22 involves myself, don't care to learn as it probably is more trouble than it's worth.
Room-temperature C41 might result in absolutely usable image from C22 film.
1962 expired 4x5 Kodak Ektacolor type S in C41, shot and processed in 2012: