G - Physics – 03 – F
Patent
G - Physics
03
F
96/63
G03F 7/016 (2006.01)
Patent
CA 1247914
DEVELOPER FOR ENHANCING APPARENT PHOTOSPEED OF DIAZONIUM PLATES Abstract of the Disclosure A developer is provided for lithographic plates or the like having a layer including a diazonium material, which developer enhances the effectiveness of the photolysis to which the plate had been subjected, with the result that the exposure time needed for the plate is substantially reduced. The developer, which thus enhances the apparent photospeed of the plate, includes an insolubilizing reactant that reacts with diazonium groups of diazonium materials on the plate that were not removed by photolysis during exposure in order to decrease the solubility of the diazonium material.
480315
Amariti Luigi
Santos Llandro C.
Imperial Metal & Chemical Company
Osler Hoskin & Harcourt Llp
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