Patent classifications
G
PHYSICS
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G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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G03F
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR;
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3/00
Colour separation; Correction of tonal value
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G03F3/10
Checking the colour or tonal value of separation negatives or positives
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G03F3/107
using silver halide photosensitive materials
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G03F3/107

Photographic color image using black and while emulsion
11467483 · 2022-10-11 · ·

A photographic film is formed by combining panchromatic black and white emulsion with a color filter array to produce a full color image using only black and white film and processing.

PHOTOGRAPHIC COLOR IMAGE USING BLACK AND WHITE EMULSION
20240126159 · 2024-04-18 ·

A photographic film is formed by combining panchromatic black and white emulsion with a color filter array to produce a full color image using only black and white film and processing.

Photographic color image using black and white emulsion
12468215 · 2025-11-11 · ·

A photographic film is formed by combining panchromatic black and white emulsion with a color filter array to produce a full color image using only black and white film and processing.