Photographic process
United States Patent 3353957
US Patent References:
Diffusion transfer process employing tone modifiers
3232759
Silver halide sensitized lithographic printing plate
3146104
Photographic element having increased speed and contrast
3140179
Photographic film with fine grain silver chloride underlayer
3050391
Process and photographic material for the direct production of positive photographicimages
2937945
Diffusion transfer process employing tone modifiers
3232759
Silver halide sensitized lithographic printing plate
3146104
Photographic element having increased speed and contrast
3140179
Photographic film with fine grain silver chloride underlayer
3050391
Process and photographic material for the direct production of positive photographicimages
2937945
Inventors:
Kingsley, Blake Ralph
Publication Date:
11/21/1967
Export Citation:
Assignee:
Pont DU.
Primary Class:
Other Classes:
430/231, 430/230, 430/249
International Classes:
G03C1/492; G03C8/06; G03C1/005; G03C8/02
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US Patent References: