Priming and body paint having an active anti-corrosive and surface cleaning effect
US4828617A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1987 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Jan 8, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/084
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a priming or body paint having active anti-corrosive and surface cleaning effect containing binding material, pigment and optionally solvent, filler and/or additives, characterized in that said pigment, optionally in addition to other known pigments, comprises: PA0 (a) 30-70% parts by weight, preferably 40-55% by weight of alumina hydrate (Al/OH/.sub.3), PA0 (b) 20-55% by weight of at least of one of atoxic oxides, hydroxides, oxide hydroxides, carbonates or phosphates of amphoteric elements or metals of variable valency possessing less valency than the maximum, in case of aluminum the oxide or hydroxide thereof, PA0 (c) 0-50% by weight, preferably 2-15% by weight of calcium and/or magnesium carbonate, and the grain size thereof is <20 .mu.m, preferably 2-10 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.