Method of making plate oleophilic

Details Method of making plate oleophilic Method of making plate oleophilic

1976-06-09

1980-09-16

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

101465, 101466, 101467, 430309, 430401, 430449, G03F 702

Patent

active

042230870

ABSTRACT:
A photolithographic plate, method for preparation thereof, and salt compound useful in the preparation, the method involving the treatment of a metallic silver image on a substrate with a homogeneously stable acidic aqueous salt solution comprising a ferricyanide anion for oxidizing the metallic silver and an organic cation capable of forming a water-insoluble, inherently oleophilic complex with oxidized silver, the cation being derived from a protonatable nitrogen-substituted hydrocarbon compound containing a formal imine group therein which is in resonant association with adjacent groups within the hydrocarbon compound.

REFERENCES:
patent: 3083097 (1963-03-01), Lassig et al.
patent: 3721559 (1973-03-01), De Haes et al.
patent: 3736871 (1973-05-01), Blake
patent: 3832175 (1974-08-01), Kemp

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