Graphics process using a composite of color separated negatives

Details Graphics process using a composite of color separated negatives Graphics process using a composite of color separated negatives

1974-10-15

1976-07-13

Klein, David

Gas separation: apparatus

Apparatus for selective diffusion of gases

Membrane having ring containing organic compound

96 17, 96 41, G03C 716, G03C 504

Patent

active

039691152

ABSTRACT:
A method of making a photographic print having improved sharpness, clarity, texture and highlight definition, suitable for use in dye-transfer printing, engraving, lithography, offset, and the like, involves the production of a primary color separated negative of the image to be printed on a panchromatic film, producing a separated color positive from the separated color negative, producing a reversal positive from the separated color positive on direct reversal film so as to produce a panchromatic primary color separated reversal positive, producing a composite separation negative from the separated color positive and the reversal positive, and producing the desired photographic positive from the composite negative.

REFERENCES:
patent: 827241 (1906-07-01), Hyde
patent: 2007316 (1935-07-01), Van Straaten
patent: 2484137 (1949-10-01), Wheldon
patent: 2701196 (1955-02-01), Conrad
patent: 3144333 (1964-08-01), Waldherr
patent: 3156561 (1964-10-01), Dreyfuss
patent: 3291603 (1966-12-01), Bryan
patent: 3481736 (1969-12-01), Ruff
patent: 3676122 (1972-07-01), Hellmig
patent: 3764318 (1973-10-01), Laridon
patent: 3796575 (1974-03-01), Kirsch
The Lithographers Manual, vol. 1, 1958, pp. 6:1-6:16.

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