C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/02 (2006.01) B41J 2/045 (2006.01) C09D 11/00 (2006.01)
Patent
CA 2281235
Impulse ink jet compositions are provided which are suitable for printing clear, well-defined alphanumeric text or low spread, narrow bar width bar codes on porous substrates such as Kraft paper or corrugated cardboard. The ink compositions preferably comprise from about 20 to 50 percent by weight of a carbon black dispersion, from about to 20 percent by weight of a dispersion medium, from about 40 to 60 percent by weight of a plasticizer and less than 2% of an antioxidant additive. The antioxidant additive lowers the dissolved oxygen level in the ink, thereby enhancing the jetting performance of the printhead.
Fox James E.
Hudd Allan L.
Salisbury Brian
Sarada Thyagaraja
Sarma Deverakonda
Finlayson & Singlehurst
Trident International Inc.
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