Fast drying duplicating ink
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United States of America Patent
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Mar 7, 1995
Grant Date -
N/A
app pub date -
May 4, 1994
filing date -
May 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An water-in-oil emulsion duplicating ink comprising a water phase comprising an aqueous dispersion of oxidized carbon black and an oil phase comprising a saturated oil and an unsaturated oil. The ink compositions of the present invention dry quickly, and exhibit minimal dispersion in the paper upon which the ink is applied. The ink compositions of the present invention remain liquid for extended periods of time upon exposure to the atmosphere.
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