Printing process
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United States of America Patent
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Jan 8, 2019
Grant Date -
Apr 20, 2017
app pub date -
Oct 19, 2015
filing date -
Oct 19, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process including providing a curable gellant ink composition having a phase transition temperature; heating the ink composition to a temperature above the phase transition temperature; depositing the ink composition onto a substrate; wherein upon contact with the substrate the ink composition freezes to provide a gel ink layer; treating at least a portion of the gel ink layer whereby treated gellant ink reacts to form a three-dimensional object and wherein untreated gellant ink does not react and remains in gellant form; optionally, wherein the unreacted gellant ink provides a support structure for overhang portions of the three-dimensional object.
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