U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Process for producing color images

Patent 4988591 Issued on January 29, 1991. Estimated Expiration Date: Icon_subject May 4, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2297691

Toner composition for use in electrophotography comprising novel polyester binder resin
Patent #: 3985664
Issued on: 10/12/1976
Inventor: Sakaguchi ,   et al.

Method for fabricating a self-aligned metal oxide field effect transistor
Patent #: 4049477
Issued on: 09/20/1977
Inventor: Ligon

Electrophotographic apparatus and method for producing printing masters
Patent #: 4149798
Issued on: 04/17/1979
Inventor: McGowan ,   et al.

Developing apparatus for developing diazotype material according to the semi-dry process
Patent #: 4155637
Issued on: 05/22/1979
Inventor: Witte ,   et al.

Electrostatic multicolor composite printing method and apparatus
Patent #: 4286031
Issued on: 08/25/1981
Inventor: Kuehnle ,   et al.

Adhesive transfer method Patent #: 4863543
Issued on: 09/05/1989
Inventor: Shiozawa ,   et al.

Inventor

Application

No. 347407 filed on 05/04/1989

US Classes:

430/43, Color correction430/126Transfer of image to different surface

Examiners

Primary: Welsh, J. David

Attorney, Agent or Firm

Foreign Patent References

  • 3709535 DE. 10/13/1987
  • 1597986 GB. 09/13/1981
  • 2189036 GB. 10/13/1987

International Class

G03G 013/01

Foreign Application Priority Data

1988-05-06 DE

Abstract

A process for producing color images electrophotographically by means of toner image transfer, wherein toner images of different colors are successively transferred to an adhesive layer with application of pressure, is disclosed. The process produces colored copy true to the original, and is particularly useful for producing images for film proofing methods.

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