Pigments treated with organo-phosphoric acids and their salts
US6713543B2 · kind B2 · utility
12Cited by
24References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | May 22, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2911
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A unique treatment for pigments is provided. This treatment, which uses certain organo-phosphoric acids and/or their salts, imparts improved physical and chemical qualities including lacing resistance, improved dispersion and decreased chemical reactivity when these treated pigments are incorporated into polymeric matrices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.