Blue background slides from a black and white film process

Details Blue background slides from a black and white film process Blue background slides from a black and white film process

1981-03-25

1982-05-18

Brown, L. Travis

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Chromatic image produced from achromatic reproduction image

G03C 700

Patent

active

043306152

ABSTRACT:
A rapid simple process of making blue background imaged transparent negatives with "white" or transparent letters from high contrast black and white film. The film is exposed, developed and washed according to manufacturer's directions. The same film is then immersed into three different toner solutions, fixed, washed and dried. The product of the process, an imaged transparent negative with blue background and "white" or transparent letters, can be mounted as a slide.

REFERENCES:
patent: 1009100 (1911-11-01), Rehlander
patent: 2312874 (1943-03-01), Bunting
patent: 2659674 (1953-11-01), Hyndman
patent: 3161510 (1964-12-01), Gosmann
Brooks, "How to Select and Use Photographic Materials and Processes", pp. 92-94, H. P. Books, Tucson, Az, 1979.

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