Patent · US Active

Ink for inkjet recording, inkjet recording method using the ink, and ink cartridge that accommodates the ink

US9169407B2 · kind B2 · utility

1Cited by
17References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2011
Grant dateOct 27, 2015
Priority date
Expiry dateAug 27, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24901
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Ink containing a pigment, an alcohol alkoxylate-based surfactant, a water-soluble organic solvent, water, and a dispersion agent represented by the following chemical structure 1, wherein the ink has a dynamic surface tension of 36 mN/m or less when the life of foam at 25° C. as measured by the maximum bubble pressure technique is 15 msec:where R1 represents an alkyl group having one to four carbon atoms, an aryl group, and an aralkyl group having one to eight carbon atoms, L represents zero or an integer of from 1 to 7, and n represents an integer of from 20 to 80.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.