Brumbaugh, Graves, Donohue & Raymond
Method and apparatus for making a lithographic offset plate by the silver salt diffusion transfer process
 A method and apparatus for making an offset printing plate according to the silver salt diffusion transfer process comprises the step of washing the imaging element by applying a curtain of an aqueous medium onto the surface of the element at its silver halide emulsion layer side, across the width of the element, substantially transverse to its processing direction, and in countercurrent to the processing direction of the element. 
AGFA-GEVAERT N.V.
G G
G03D G03F
inventional inventional
Bartholomeus Bert Jan Bart
Verlinden Vackier Claes Verhoest