Patent · US Expired

Color ink jet recording method

US5798776A · kind A · utility

14Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1997
Grant dateAug 25, 1998
Priority date
Expiry dateJun 4, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K2215/0094
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A color ink jet recording method is disclosed which can provide a high-quality monochrome print, does not cause bleeding derived from intermixing of a black ink with color inks and can equalize the dot diameter of four color ink dots, offer a high drying rate and provide a sharp and vivid color image. The color ink jet recording method includes a step of forming a dot unit of a black ink consisting of plural of ink droplets, wherein color inks having a surface tension of less than 40 dyn/cm at 20.degree. C. and black ink having a surface tension of not less than 40 dyn/cm are used.

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