Patent · US Active

Aqueous ink

US10774229B2 · kind B2 · utility

1Cited by
1References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 16, 2017
Grant dateSep 15, 2020
Priority date
Expiry dateJun 16, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/54
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a water-based ink that contains pigment-containing polyester-based resin particles A, pigment-free polyester-based resin particles B, an organic solvent and water, in which a content of an organic solvent C having a boiling point of not higher than 235° C. in a whole amount of the organic solvent is not less than 90% by mass. The water-based ink of the present invention can be improved in rub fastness, solvent resistance and adhesion to a non-water absorbing printing medium with good balance therebetween, even when printed on the non-water absorbing printing medium.

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