{"number":"US12697819B2","kindCode":"B2","documentType":"grant","title":{"original":"Pigment dispersion for ink jet ink, ink jet ink, and printed matter","english":"Pigment dispersion for ink jet ink, ink jet ink, and printed matter"},"abstract":{"original":"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…","english":"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…"},"applicants":["DIC Corporation"],"inventors":["Naruhito Suzuki","Takashi Nishijima","Minoru Shigemori","Iwao Hattori"],"filingDate":"2023-11-09","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697819B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697819B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697819B2","ja":"https://downloadpatent.com/ja/patent/US12697819B2"}}