(19)
(11) EP 0 144 201 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
01.04.1987 Bulletin 1987/14

(43) Date of publication A2:
12.06.1985 Bulletin 1985/24

(21) Application number: 84308150

(22) Date of filing: 23.11.1984
(84) Designated Contracting States:
DE GB

(30) Priority: 25.11.1983 JP 22058783

(71) Applicant: FUJI PHOTO FILM CO., LTD.
 ()

(72) Inventors:
  • Kunichika, Kenji
     ()
  • Matsumoto, Hiroshi
     ()
  • Kita, Nobuyuki
     ()

   


(54) Plate cleaner for electrophotolithographic printing plate


(57) A plate cleaner for an electrophotolithographic printing plate and a process for preventing background stains of a lithographic plate using the plate cleaner are described, comprising a suspension or an emulsion containing as main component (1) a water solution of a compound capable of producing a hydrophilic substance by reaction with zinc oxide, (2) a hydrocarbon solvent, and (3) a surface active agent to remove background contamination from a plate surface.





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