美國
US 12,697,819 B2
Pigment dispersion for ink jet ink, ink jet ink, and printed matter
US 12,697,819 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-04。申請人：DIC Corporation。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- DIC Corporation
- 發明人
- Naruhito Suzuki; Takashi Nishijima; Minoru Shigemori; Iwao Hattori
- 公開日
- 2026-08-04
- 申請日
- 2023-11-09
- 文件種類
- B2 核准公告
- 也寫作
- US 12,697,819 B2 · US12697819 · 12697819
摘要
The present invention relates to a pigment dispersion for ink jet ink, including a binder (A), a pigment (B), and an aqueous medium (C). The pigment dispersion is characterized in that the binder (A) is a binder containing a urethane resin (A1) which is a reaction product of polyol (a1), containing polyol (a1-1) having an acid group and polyester polyol (a1-2) other than the polyol (a1-1), with polyisocyanate (a2) containing polyisocyanate (a2-1) having a ring structure, the acid groups possessed by the urethane resin (A1) are partially or entirely neutralized, and the glass transition tempera…
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專利局網站： 美國專利商標局（USPTO）