Photocopying materials

Details Photocopying materials Photocopying materials

1976-02-17

1978-05-30

Kelley, Mary F.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

96 33, 96 75, 96115R, G03C 152, G03F 702, G03C 164, G03C 168

Patent

active

040921700

ABSTRACT:
A photocopying material is provided having a light-sensitive layer comprising an oleophilic resin and a resinous diazonium compound, which both are soluble in an organic solvent but substantially insoluble in water, in admixture with a surface active agent which, after imagewise exposure, renders the layer developable with plain water such as ordinary tap water so as to yield an excellent photocopy and in particular a printing form from which many thousands of fine prints can be made on an offset machine.

REFERENCES:
patent: 3679419 (1972-07-01), Gillich
patent: 3751257 (1973-08-01), Dahlman
patent: 3790382 (1974-02-01), Dahlman
patent: 3790556 (1974-02-01), Doggett
patent: 3847614 (1974-11-01), Mattor

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