Patent · US Active

Pigments and polymer composites formed thereof

US7863369B2 · kind B2 · utility

6Cited by

101References

20Claims

0Family size

Assignee

SAINT-GOBAIN CERAMICS & PLASTICS, INC. · US

Inventors

Catherine Bianchi · Aubervilliers, FR
Shamshad Noor · Lowell, US
Christopher Mirley · Winthrop, US
Ralph Bauer · Eßlingen, DE
Doruk O. Yener · Wilmington, US

Key dates

Filing date	Dec 16, 2008
Grant date	Jan 4, 2011
Priority date	—
Expiry date	Dec 16, 2028

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.