Patent · US Active

Water-based inkjet ink composition

US10752796B2 · kind B2 · utility

2Cited by

1References

24Claims

0Family size

Assignees

SEIKO EPSON CORPORATION · JP
MITSUI CHEMICALS, INC. · JP

Inventors

Kenichi Seguchi · Okaya, JP
Tsuyoshi Sano · Shiojiri, JP
Miharu Kanaya · Adumino, JP
Takayoshi Kagata · Shiojiri, JP
Akira Mizutani · Matsumoto, JP
Toshihiro Yoshimura · Ichihara, JP
Yasuyuki KAGAWA · Ichihara, JP

Key dates

Filing date	Jan 14, 2019
Grant date	Aug 25, 2020
Priority date	—
Expiry date	Jan 14, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D11/38
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A water-based inkjet ink composition comprising composite resin fine particles composed of a first resin and a second resin, and having an SP value of from 9.0 to 12.0 (cal/cm3)1/2, wherein the SP value of the second resin is higher than the SP value of the first resin, and the first resin has a higher mass than the second resin.

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