Aqueous pigment pastes and their use
US4388435A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1981 |
| Grant date | Jun 14, 1983 |
| Priority date | — |
| Expiry date | Nov 10, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/901
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Pigment pastes, comprising water, an organic solvent, a copolymer of one or more water-immiscible, or only partially water-miscible, copolymerizable .alpha.,.beta.-olefinically unsaturated compounds and one or more water-soluble copolymerizable N-vinyl compounds, and a finely divided pigment and/or filler dispersed in the mixture of water, solvent and copolymer, are used for pigmenting aqueous solutions or dispersions of surface-coating binders, as toner pastes for water-based finishes, and for pigmenting and toning anodic or cathodic electrocoating finishes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.