Browse Prior Art Database

IMAGING COMPOSITION

IP.com Disclosure Number: IPCOM000023580D
Original Publication Date: 1978-Apr-30
Included in the Prior Art Database: 2004-Mar-31
Document File: 2 page(s) / 210K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed is a finely divided imaging composition which is comprised of at least two differently colored pigment par-ticles dispersed in a polymeric matrix. At least one of the particles of the matrix is electrically photosensitive and the imaging composition exhibiting the resulting color of the differently colored pigments is capable of forming images in the resulting color without color or particle separation. The imaging compositions can undergo particle migration or effect development without particle or color separation.

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XEROX DISCLOSURE JOURNAL

IMAGING COMPOSITION Proposed Classification
John B. Wells U.S. Cl. 96/1

Int. Cl. G03g

Disclosed is a finely divided imaging composition which is
comprised of at least two differently colored pigment par-
ticles dispersed in a polymeric matrix. At least one of the
particles of the matrix is electrically photosensitive and the
imaging composition exhibiting the resulting color of the
differently colored pigments is capable of forming images in
the resulting color without color or particle separation. The
imaging compositions can undergo particle migration or effect
development without particle or color separation.

Color alteration of the images produced can be obtained by
subjecting the image to conditions so that the matrix of the
imaging composition is disrupted; the disruption causing or
altering the covering power of at least one of the pigments
thereby producing a change in color. This disruption can be
produced by simply rubbing the image.

Specifically, the compositions of this invention can be used
in photoelectrophoretic imaging, TESI systems (transfer of
electrostatic images) and electrophotographic imaging sys-
tems.

Volume 3 Number 2 March/April 1978 85

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