Universal diazotype precoat for application to base papers with

Details Universal diazotype precoat for application to base papers with Universal diazotype precoat for application to base papers with

1998-06-15

2000-06-27

Chu, John S.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430157, 430160, 430168, 430171, G03F 7021

Patent

active

060805218

ABSTRACT:
A diazotype reproduction material is a fibrous paper base having at least one overcoat, which is an acidic diazotype layer and a layer strata below the overcoat containing an anionic compound to minimize deep penetration of diazotype diazonium salts.

REFERENCES:
patent: 3615570 (1971-10-01), Werner et al.
patent: 4128423 (1978-12-01), Vosbeek
patent: 4584256 (1986-04-01), Ceintrey et al.

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