Method for processing photosensitive copying materials

Details Method for processing photosensitive copying materials Method for processing photosensitive copying materials

1992-04-28

1994-07-05

Kight, III, John

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Forming nonplanar surface

430326, 430330, 430146, 430281, 430282, 430283, 430287, 430294, G03C 500

Patent

active

053266749

ABSTRACT:
A method for processing a photosensitive copying material comprises the steps of imagewise exposing to light a photosensitive copying material which comprises in order (i) a first photosensitive organic coating layer whose solubility in a developer varies through irradiation with light rays and (ii) a second organic coating layer containing a water-insoluble and organic solvent-soluble polymeric compound having an film-forming ability and then developing the imagewise exposed copying material, wherein the imagewise exposed material is dipped in the developer and then water-washed to remove the first and second organic coating layers on non-image portions. According to this method, the ability of the developer to process photosensitive copying materials is substantially improved, the amount of the waste liquor can substantially be reduced and a problem of environmental pollution can effectively be solved.

REFERENCES:
patent: 3136637 (1964-06-01), Larson
patent: 4207106 (1980-06-01), Odawara et al.
patent: 4210711 (1980-07-01), Kitajima et al.
patent: 4528262 (1985-07-01), Nakano et al.
patent: 4822719 (1989-04-01), Schneller

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