Image developing device

Details Image developing device Image developing device

2006-08-08

2006-08-08

Colilla, Daniel J. (Department: 2854)

Coating processes

Latent image formed or developed

C101S483000, C427S001000, C427S150000, C427S152000

Reexamination Certificate

active

07087265

ABSTRACT:
The invention relates to a device for developing latent or hidden images. The device includes a first substrate containing a hidden or latent image printed on a first surface thereof, wherein the image contains one or more chromogenic compounds. A second substrate having a first surface contains a developer coating for developing the hidden or latent image. The developer coating includes a developer compound, a micro-encapsulated solvent, and an adhesive. Upon sufficient interfacial contact between the first surfaces of the first and second substrates, a visible image is produced. The device enables production of a relatively vibrant, full color images which are substantially non-toxic and relatively inexpensive to make.

REFERENCES:
patent: 4321093 (1982-03-01), Seitz
patent: 4865938 (1989-09-01), Sakai et al.
patent: 4943089 (1990-07-01), Reardon
patent: 6114281 (2000-09-01), Belding et al.
patent: 6162485 (2000-12-01), Chang
patent: 2003/0236165 (2003-12-01), Peebles et al.

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