Sughrue, Mion, Zinn, Macpeak & Seas
Process for producing support for planographic printing
 A process for producing a support for planographic printing is described, which comprises electrochemically graining the surface of an aluminum plate with an electrolytic solution containing from 1,000 to 40,000 ppm of nitric acid, from 50 to 4,000 ppm of sulfuric acid group. 
Fuji Photo Film Co., Ltd.
C C B Y B
C25F C25D B41N Y10S B41N
inventional inventional inventional additional inventional
Akira Etsuo Hisao Norihiko
Shirai Kitazumi Ohba Kato