Inks and printheads with internal clog prevention

Details Inks and printheads with internal clog prevention Inks and printheads with internal clog prevention

2007-01-02

2007-01-02

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

10836414

ABSTRACT:
Active enzymes are incorporated into inks to prevent clogging. These may be just cellulase or cellulase and protease, to attack the most prevalent materials. The enzymes decompose the materials they are specific to, which degrades or solubilizes them to prevent clogging at nozzles and other flow features of a printhead.

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patent: 6652634 (2003-11-01), Akers, Jr. et al.
patent: 2003/0175410 (2003-09-01), Campbell et al.
patent: 02080684 (1990-03-01), None

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