Surface treated pigments
US7138011B2 · kind B2 · utility
1Cited by
48References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 7, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jan 5, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Inorganic pigments treated with at least one N,N,N-trialkyl quaternary amino acid inner salt possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic compositions containing said surface-treated pigments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.