Pigments comprising alumina hydrate and a dye, and polymer composites formed thereof
US7479324B2 · kind B2 · utility
6Cited by
63References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 8, 2005 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Apr 6, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composite material includes a polymer matrix and a pigment dispersed in the polymer matrix. The pigment includes an alumina hydrate particulate material and a dye. The dye is covalently bonded to a surface of the alumina hydrate particulate material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.