United States
US 12,697,819 B2
Pigment dispersion for ink jet ink, ink jet ink, and printed matter
US 12,697,819 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: DIC Corporation. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- DIC Corporation
- Inventors
- Naruhito Suzuki; Takashi Nishijima; Minoru Shigemori; Iwao Hattori
- Publication date
- 2026-08-04
- Filing date
- 2023-11-09
- Document type
- B2 Granted patent
- Also written as
- US 12,697,819 B2 · US12697819 · 12697819
Abstract
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…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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