High block, tack and scrub resistant coating composition
US10647871B2 · kind B2 · utility
3Cited by
18References
28Claims
0Family size
Inventors
Key dates
| Filing date | May 15, 2017 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Oct 3, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D133/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to a coating composition or paint comprising a multistage latex with at least first and second stages, wherein the composition or paint is substantially free of volatile organic compounds (VOC) and capable of film formation even in the absence of coalescent agents. The base paint formulation is capable of being tinted at a point-of-sale (i.e. in-store) using a colorant composition of a type and quantity required to produce a paint of desired color and finish. The paints, show improved block resistance, scrub resistance and tack resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.