Aqueous dispersion of composite particles
US9587135B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Sep 29, 2015 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Sep 29, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/54
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A stable aqueous dispersion including certain composite particles and a method for forming the stable aqueous dispersion is provided. The composite particles include a pigment particle, the pigment particle having disposed thereon a certain water-soluble polymer including copolymerized carboxylic acid monomer and N-containing monomer and the pigment particle bearing the water-soluble polymer having disposed on it a plurality of water-insoluble polymer particles. Also provided is a dry coating formed from the aqueous dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.