(19)
(11) EP 0 194 776 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.03.1988 Bulletin 1988/11

(43) Date of publication A2:
17.09.1986 Bulletin 1986/38

(21) Application number: 86301263

(22) Date of filing: 21.02.1986
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 07.03.1985 US 708983

(71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
 ()

(72) Inventors:
  • Zwadlo, Gregory L. c/o Minnesota Mining and
     ()
  • Kidnie, Kevin M. c/o Minnesota Mining and
     ()

   


(54) Multicolor toner images in electrography


(57) There is disclosed here a method of transferring an assembly of overlaid color toner images from a primary electrostatic imaging surface (e.g., a photoconductor) to a receptor sheet by embedding and encapsulating the toner particles in a transparent binder. The transfer is accomplished in one step with no loss in image quality, either in color or in resolution, and presents a glossy final result. The final encapsulated image is also protected from abrasion and contamination.





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