Manufacturing method of dispersion, pigment dispersion for ink jet recording, manufacturing method of pigment dispersion for ink jet recording, ink composition for ink jet, and manufacturing method of ink composition for ink jet
US11352515B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Mar 19, 2019 |
| Grant date | Jun 7, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/2272
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are a manufacturing method of a dispersion including a step A of preparing a mixture containing an edible pigment, an edible dispersant, and water, a step B of applying a hydrostatic pressure equal to or higher than 30 MPa to the mixture, and a step C of performing a dispersion treatment on the mixture to which the hydrostatic pressure is applied; a pigment dispersion for ink jet recording and a manufacturing method thereof; and an ink composition for an ink jet and a manufacturing method thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.