Radiation imagery chemistry: process – composition – or product th – Imaged product – Nonsilver image
Patent
1979-05-25
1981-04-28
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Imaged product
Nonsilver image
430 18, 430281, 430292, 430293, 430294, 430302, 430331, G03C 500, G03F 702
Patent
active
042646928
ABSTRACT:
Photopolymerized elements having addition polymerized and unpolymerized image areas comprise a support bearing a layer having hydrophilic or oleophilic polymerized image areas and unpolymerized areas of opposite character, at least one of the image areas having absorbed therein a dye of like character. The dye absorbed photopolymerized elements are prepared after imagewise exposure by leaching out ethylenically unsaturated compound in the unexposed areas and absorbing a dye of like character and solvent carrier for the dye into at least one of the image areas. The dye and carrier mixture are capable of swelling the image areas wherein the dye is absorbed. The absorbed dye is not capable of being transferred from the element. Positive and negative working color copies are produced useful in overlay or projection applications.
REFERENCES:
patent: 3060023 (1962-10-01), Burg et al.
patent: 3634087 (1972-01-01), Houle et al.
patent: 3787213 (1974-01-01), Gervay et al.
patent: 3888672 (1975-06-01), Lee
patent: 4147549 (1979-04-01), Held
Brown J. Travis
E. I. Du Pont de Nemours and Company
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