Use of an acrylic dispersing agent—associative thickener pair in an alkide paint for improving the retention of its gloss level
US8329809B2 · kind B2 · utility
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1References
28Claims
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Key dates
| Filing date | Apr 29, 2009 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Jun 14, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention consists of the use, in an alkide resin formulation in an aqueous phase, of a dispersing agent/thickener pair: This combination makes it possible to improve the brightness level retention of the paint film over time, while ensuring that the aqueous formulation has the desired rheology.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.