Method for preparing lithographic printing plate
AssigneeFuji Photo Film Co., Ltd.
InventorShuichi Takamiya
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Abstract
A method for preparing a lithographic printing plate is disclosed, and said method comprises the steps of imagewise light-exposing to infrared radiation, a presensitized plate for use in making a lithographic printing plate, said presensitized plate having an image-forming layer which comprises an IR-absorbing agent, and developing the light-exposed plate with an alkaline liquid developer comprising a polyhydric alcohol-type alkylene oxide adduct.
Claims12
A method for preparing a lithographic printing plate comprising the steps of imagewise light-exposing to infrared radiation, a presensitized plate for use in making a lithographic printing plate, said presensitized plate having an image-forming layer which comprises an IR-absorbing agent, and developing the light-exposed plate with an alkaline liquid developer comprising a polyhydric alcohol-type alkylene oxide adduct.
Dependencies are inferred from the claim text.