Multi-viscosity printer ink

Compositions: coating or plastic – Coating or plastic compositions – Marking

Reexamination Certificate

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C106S031270, C106S031600

Reexamination Certificate

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11056963

ABSTRACT:
A printing ink for use within multiple ambient temperatures which comprises a mixture of two or more inks having different viscosities at a given temperature. Thus, one or more lower viscosity inks having, for example, a viscosity in the range of about 300 cps to about 900 cps is mixed with one or more higher viscosity inks having, for example, a viscosity range of about 1100 cps to about 1800 cps to provide a multi-viscosity ink mixture useful over a wide temperature range.

REFERENCES:
patent: 5667317 (1997-09-01), Tan
patent: 6443551 (2002-09-01), Matsumoto
patent: 7001091 (2006-02-01), Knight

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