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PCE
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DIFF Subgroup
G03C 5/50

Reversal development; Contact processes (G03C5/315, G03C8/00 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Reversal development; Contact processes

CPC: Reversal development; Contact processes (G03C5/315, G03C8/00 take precedence)

Full Title

Full titles differ between systems:

IPC:

Photographic processes or agents therefor; Regeneration of such processing agents > Processes using silver-salt-containing photosensitive materials or agents therefor > Reversal development; Contact processes

CPC:

Photographic processes or agents therefor; Regeneration of such processing agents (multicolour processes or agents therefor G03C7/00; diffusion-transfer processes or agents therefor G03C8/00; stereo-photographic processes G03C9/00; photomechanical processes G03F) > Processes using silver-salt-containing photosensitive materials or agents therefor (physical development G03C5/58) > Reversal development; Contact processes (G03C5/315, G03C8/00 take precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.