Process for making color separation negatives and positives for

Details Process for making color separation negatives and positives for Process for making color separation negatives and positives for

1978-10-27

1980-12-23

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

430 6, 430 9, 430300, 430307, 430356, 430394, 430396, G03C 500, G03F 500

Patent

active

042411530

ABSTRACT:
Negative and positive films for use in multi-color printing are prepared by a process which utilizes crystals and interstices therebetween in color-separation negatives for multi-color printing without the use of half-tone screens. Exposure through masks of controlled density ranges relative to the color-separation negatives and positives prepared from the color original result in final negatives and positives as well as duplication negatives and positives which can be utilized in the multi-color printing process.

REFERENCES:
patent: 3413119 (1968-11-01), St. Clair et al.
patent: 3977872 (1976-08-01), Hellmig
patent: 4012257 (1977-03-01), Geris

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