Method for the formation of multi-layer paint films
US9962730B2 · kind B2 · utility
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1References
8Claims
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Key dates
| Filing date | Nov 23, 2011 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Oct 13, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2601/24
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a method for the formation of multi-layer paint films with the omission of a mid-coat paint coating process. The method comprises the use of a particular aqueous colored paint (A) comprising a prescribed amount of specified titanium oxide that has been compounded, The resulting multi-layer paint films have a very bright paint color, and especially a white or light-colored color, and have excellent concealing properties. The aqueous colored paint (A) is characterized by containing from 50 to 60 mass % with respect to the whole paint solid fraction of titanium oxide of specific surface area not more than 13 m2/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.