Ink-jet recording head, ink cartridge, and recording apparatus

Details Ink-jet recording head, ink cartridge, and recording apparatus Ink-jet recording head, ink cartridge, and recording apparatus

2005-10-18

2005-10-18

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S086000

Reexamination Certificate

active

06955429

ABSTRACT:
Changes of ink properties are prevented in an ink jet recording head, an ink cartridge, and a recording apparatus which include ink containing a dye having an anion group, a humectant, a penetrant, water, and a hydrolyzable silane compound having an amino group. Resin or rubber which contains a hydrogen ion releasing additive is used for a member of the apparatus with which ink for ink jet recording comes in contact. The content of the additive in the material is not less than 0.001% by mass and not more than 0.1% by mass. The additive includes at least an acid, a ketone, and a functional group of ester each of which exhibits acidic properties.

REFERENCES:
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patent: 2000178494 (2000-06-01), None
International Search Report for International Application No. WO 03/026895 A1 completed Nov. 5, 2002; ISA/JPO.

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