Method of making polymer encapsulated titanium dioxide particles
US9371466B2 · kind B2 · utility
1Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2014 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Sep 11, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for encapsulating TiO2 particles by polymerizing sodium styrene sulfonate with a redox initiator system; then polymerizing a first monomer mixture comprising at least 60 wt % acrylic monomers; then polymerizing a second monomer mixture comprising at least 40 wt % vinyl ester monomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.