(19)
(11) EP 0 001 068 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.09.1979 Bulletin 1979/19

(43) Date of publication A2:
21.03.1979 Bulletin 1979/06

(21) Application number: 78100713

(22) Date of filing: 21.08.1978
(84) Designated Contracting States:
BE DE FR GB NL SE

(30) Priority: 23.08.1977 US 827056

(71) Applicant: Fromson, Howard A.
 ()

(72) Inventors:
  • Fromson, Howard A.
     ()
  • Gracia, Robert F.
     ()

   


(54) Lithographic printing plate with oleophilic sublimated image, process for its manufacture and electrostatic toner composition comprising a sublimatable material


(57) Lithographic printing plate having an aluminium substrate (10) with a hydrophilic, porous anodic oxide layer thereon and an oleophilic image (14) deposited by sublimation from a carrier (16) in and on the anodic oxide layer.
The sublimation can be performed using a laser irradiation. The image on the carrier can be obtained using electrostatic techniques. Use of electrostatic toners comprising a sublimatable material.






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