Process for making a water dispersible titanium dioxide pigment useful in paper laminates
US8475582B2 · kind B2 · utility
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32References
6Claims
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Key dates
| Filing date | Mar 6, 2008 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Oct 26, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/257
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for making a titanium dioxide pigment consisting of titanium dioxide and single layer of inorganic surface treatment consisting of aluminum phosphate wherein the pigment is characterized by and isoelectric point which is greater than pH 6 and a negative zeta potential of at a pH of 7.5 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.