Ink, and, inkjet recording process, ink cartridge, recording...

Details Ink, and, inkjet recording process, ink cartridge, recording... Ink, and, inkjet recording process, ink cartridge, recording...

2008-05-13

2008-05-13

Shah, Manish S. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S095000, C523S160000

Reexamination Certificate

active

10490181

ABSTRACT:
A water-based ink containing a surface treated pigment as a coloring material, a water-soluble organic solvent, water, both for dispersing the pigment, an organic pH buffer selected from Good's buffers, and a compound selected from aminopropanediol derivatives. This water-based ink has a high storage stability which exhibits reduced change in pH, in particular, reduced decrease of pH during the storage. Due to this, it is possible to provide a highly durable inkjet recording apparatus wherein dissolution of the member constituting the printer system that comes in contact with the ink is prevented, and a recording process.

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