Aqueous colored base coating composition
US6177488A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1996 |
| Grant date | Jan 23, 2001 |
| Priority date | — |
| Expiry date | Aug 13, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provides an aqueous colored base coating composition (A) comprising a hydroxyl- and carboxyl-containing acrylic resin (A-1), a melamine resin (A-2), an alicyclic epoxy-containing compound (A-3), a neutralizing agent (A-4) and a coloring pigment (A-5). The present invention further provides a method for forming a topcoat which comprises applying the aqueous colored base coating composition (A) to a substrate and applying to the base coat an organic solvent type clear coating composition (B) to be cured by the crosslinking reaction between a carboxyl group and an epoxy group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.