Pigment
US7811375B2 · kind B2 · utility
4Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2006 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Jan 17, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A heated mixture comprising dehydroxylated kaolin and a high refractive index pigment is disclosed. When the dehydroxylated kaolin is metakaolin, the heated mixture has a GE brightness greater than 86% and a Hunter yellowness index of less than about 11. When the dehydroxylated kaolin is fully calcined kaolin, the heated mixture has a GE brightness greater than 89%. The heated mixture is advantageously used in decorative paper.Also disclosed are methods of using and making the decorative paper, and decorative laminates containing the decorative paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.