Water-based pigment inks for textiles
US11945959B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Dec 16, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2331/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method of printing an image on a fibrous substrate by inkjet printing, wherein the method comprises applying a water-based ink composition onto the substrate, wherein the ink composition comprises a carboxylic or sulfonic acid functional co-polymer having an acid number of ≥225 mg KOH/g, a pigment, water and at least one organic co-solvent. The present invention also relates to use of said water-based ink composition for printing an image on a fibrous substrate by inkjet printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.