Universal VOC-free metallic/pearlescent colorants
US8702862B2 · kind B2 · utility
0Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2012 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Nov 29, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D101/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a universal metallic/pearlescent colorant composition that is free of VOCs including alkylphenol ethoxylate (APE) and formaldehyde. The colorant composition comprises substantially no resin and comprises microcrystalline cellulose and optionally a synthetic silicate to disperse the metallic pigments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.