Additives for improved hiding and paint compositions containing same
US9453133B2 · kind B2 · utility
1Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2014 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Nov 3, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D151/003
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The architectural compositions, such as paints and stains, include an additive comprising a plurality of latex particles added to an existing mixture of opacifying pigments and a film-forming binder as an admixture. Each latex particle is made from a latex polymer copolymerized with a polymerizable surfactant. The latex polymer is a non-film forming polymer at ambient temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.